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To Write the Scope of study of a research work, certain salient points must feature and guide you to provide your readers adequate information on what basis and limits your research work covers.
The first thing to mention in any scope of study is to state categorically the periods the study covers. Most times, Researchers combine scope of study with the limitations of the study. They are somewhat interwoven. The difference is that limitation further covers others limitations like Combining lectures with your research, monetary constraints if necessary and Un-cooperation of targeted audience.
In addition, in writing the scope of the study, your research methods need to be stated which includes listing specific aspects of the data, such as sample size, geographic location and variables. The academic theories applied to the data also need to be listed so the reader knows the lens of analysis the researcher is using.
Since it is impossible to collect all data on a subject and explore every facet of a subject, all research is narrow in scope and subject to limitations. By acknowledging how research is restricted, it becomes more credible.
Practically, If you are writing on the topic ‘The role of Mass Media in educational development in Nigeria from 2010-2015’, Your scope of study is going to include its several roles within the time frame stated. It should also state Mass Media types used in the analysis of the study including locations and sample size used.
The scope of the study is limited to the role of Mass Media in educational development from 2010 to 2015. The scope of mass media equipments used were the television, radio and other electronic sets which are meant to give out information objectively through their effective usage to educate the poor masses. NTA 6 Enugu and the educational programmes they air were used as a major case study. 300 questionnaires were adequately filled and returned by the target audience to ascertain some variables.
Any other constraint and limitation can be stated under limitations of the study.
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The scope of the study refers to the elements that will be covered in a research project. It defines the boundaries of the research. The scope is always decided in the preliminary stages of a study. Deciding it in the later stages creates a lot of ambiguity regarding the research goals. The main purpose of the scope of the study is that explains the extent to which the research area will be explored and thus specifies the parameters that will be observed within the study. In other words, it enables the researcher to define what the study will cover and the elements that it will not. Defining the scope helps the researcher acquire a high level of research and writing capability.
The following steps can help the researcher to effectively define the goals of establishing a scope of the study.
The first step is to identify the research needs. This helps them set a benchmark from the first step. Identification of the ‘what’ and ‘why’ enables the researcher to clearly set the research goals and objectives and the manner in which they will be performed.
The goals and objectives defined in the project scope should be aligned with the SMART (Specific, Measurable, Achievable, Realistic and Timeframe) guidelines, which are:
The researcher should take into account the expectations of the research and how well the findings of the researcher will be accepted by the reader. For instance, will the findings of your study help in policymaking or not?
there are always certain roadblocks in conducting research, such as environmental conditions, technological inefficiency and lack of resources. Identifying these limitations and their possible solutions in advance help achieve goals better.
After the preliminary goals are set, the researcher must carry out some part of the research so that necessary changes that lead to waste of time and resources at later stages are reduced. For example, while conducting an interview, if the researcher believes that the sample size decided is too large or too small according to the scope of the study, then the researcher can make the necessary changes in that order to avoid wastage of time and resources.
The major things that the researcher should keep in mind while writing the scope of the study are as follows.
Consider the topic ‘Analysis of the role of social media on the educational development in India from 2000-2015’. The scope of the study for this research topic should include several roles within the mentioned time period. Further, it should also cover the mass media types that have been used in the analysis of the study also including the location and the sample size as well.
With the increase in the number of social media users and its use in everyday communication at the individual and organizational levels, there has been a corresponding increase in its incorporation in educational development and especially in a country like India. In view of this situation, the present study analyzes the role of social media on the educational development of students. To this end, the study will also cover the changes in the usage of social media in the educational field over the time period ranging from 2000-2015. The scope of the study is restricted to select social media platforms, specifically Facebook, Twitter and YouTube. The empirical study in this research is restricted to five universities located across India, wherein the opinions of 30 teachers were studied in interview sessions. Further, the study also involves an analysis of students’ perspectives on the role of social media in education from the same university. Therefore the scope of this study is limited to India, and more specifically to those offering Arts and Science-related courses.
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What is Scope of Study Section?
The Scope of study in the thesis or research paper is contains the explanation of what information or subject is being analyzed. It is followed by an explanation of the limitation of the research. Research usually limited in scope by sample size, time and geographic area. While the delimitation of study is the description of the scope of study. It will explain why definite aspects of a subject were chosen and why others were excluded. It also mention the research method used as well as the certain theories that applied to the data.
Sample Scope and Delimitations The main focus of this project was the design of an efficient Energy Recovery System of Seawater Reverse Osmosis Plant. The system will be using pressure technology by application of pressure exchanger as an energy recovery device. Pressure exchanger transfer pressure from a high pressure stream to slow pressure stream in a ceramic motor. The proposed system is limited only in reducing high power consumption of the high pressure pump. The project can be used in all existing Seawater Reverse Osmosis Plant in the Philippines. Some calculations, assumptions, and selections were made as a consideration of a proper and realistic design.
The title summarizes the main idea or ideas of your study. A good title contains the fewest possible words needed to adequately describe the content and/or purpose of your research paper.
The title is the part of a paper that is read the most, and it is usually read first . It is, therefore, the most important element that defines the research study. With this in mind, avoid the following when creating a title:
Appiah, Kingsley Richard et al. “Structural Organisation of Research Article Titles: A Comparative Study of Titles of Business, Gynaecology and Law.” Advances in Language and Literary Studies 10 (2019); Hartley James. “To Attract or to Inform: What are Titles for?” Journal of Technical Writing and Communication 35 (2005): 203-213; Jaakkola, Maarit. “Journalistic Writing and Style.” In Oxford Research Encyclopedia of Communication . Jon F. Nussbaum, editor. (New York: Oxford University Press, 2018): https://oxfordre.com/communication.
The following parameters can be used to help you formulate a suitable research paper title:
The initial aim of a title is to capture the reader’s attention and to highlight the research problem under investigation.
Create a Working Title Typically, the final title you submit to your professor is created after the research is complete so that the title accurately captures what has been done . The working title should be developed early in the research process because it can help anchor the focus of the study in much the same way the research problem does. Referring back to the working title can help you reorient yourself back to the main purpose of the study if you find yourself drifting off on a tangent while writing. The Final Title Effective titles in research papers have several characteristics that reflect general principles of academic writing.
The Subtitle Subtitles are frequently used in social sciences research papers because it helps the reader understand the scope of the study in relation to how it was designed to address the research problem. Think about what type of subtitle listed below reflects the overall approach to your study and whether you believe a subtitle is needed to emphasize the investigative parameters of your research.
1. Explains or provides additional context , e.g., "Linguistic Ethnography and the Study of Welfare Institutions as a Flow of Social Practices: The Case of Residential Child Care Institutions as Paradoxical Institutions." [Palomares, Manuel and David Poveda. Text & Talk: An Interdisciplinary Journal of Language, Discourse and Communication Studies 30 (January 2010): 193-212]
2. Adds substance to a literary, provocative, or imaginative title or quote , e.g., "Listen to What I Say, Not How I Vote": Congressional Support for the President in Washington and at Home." [Grose, Christian R. and Keesha M. Middlemass. Social Science Quarterly 91 (March 2010): 143-167]
3. Qualifies the geographic scope of the research , e.g., "The Geopolitics of the Eastern Border of the European Union: The Case of Romania-Moldova-Ukraine." [Marcu, Silvia. Geopolitics 14 (August 2009): 409-432]
4. Qualifies the temporal scope of the research , e.g., "A Comparison of the Progressive Era and the Depression Years: Societal Influences on Predictions of the Future of the Library, 1895-1940." [Grossman, Hal B. Libraries & the Cultural Record 46 (2011): 102-128]
5. Focuses on investigating the ideas, theories, or work of a particular individual , e.g., "A Deliberative Conception of Politics: How Francesco Saverio Merlino Related Anarchy and Democracy." [La Torre, Massimo. Sociologia del Diritto 28 (January 2001): 75 - 98]
6. Identifies the methodology used , e.g. "Student Activism of the 1960s Revisited: A Multivariate Analysis Research Note." [Aron, William S. Social Forces 52 (March 1974): 408-414]
7. Defines the overarching technique for analyzing the research problem , e.g., "Explaining Territorial Change in Federal Democracies: A Comparative Historical Institutionalist Approach." [ Tillin, Louise. Political Studies 63 (August 2015): 626-641.
With these examples in mind, think about what type of subtitle reflects the overall approach to your study. This will help the reader understand the scope of the study in relation to how it was designed to address the research problem.
Anstey, A. “Writing Style: What's in a Title?” British Journal of Dermatology 170 (May 2014): 1003-1004; Balch, Tucker. How to Compose a Title for Your Research Paper. Augmented Trader blog. School of Interactive Computing, Georgia Tech University; Bavdekar, Sandeep B. “Formulating the Right Title for a Research Article.” Journal of Association of Physicians of India 64 (February 2016); Choosing the Proper Research Paper Titles. AplusReports.com, 2007-2012; Eva, Kevin W. “Titles, Abstracts, and Authors.” In How to Write a Paper . George M. Hall, editor. 5th edition. (Oxford: John Wiley and Sons, 2013), pp. 33-41; Hartley James. “To Attract or to Inform: What are Titles for?” Journal of Technical Writing and Communication 35 (2005): 203-213; General Format. The Writing Lab and The OWL. Purdue University; Kerkut G.A. “Choosing a Title for a Paper.” Comparative Biochemistry and Physiology Part A: Physiology 74 (1983): 1; “Tempting Titles.” In Stylish Academic Writing . Helen Sword, editor. (Cambridge, MA: Harvard University Press, 2012), pp. 63-75; Nundy, Samiran, et al. “How to Choose a Title?” In How to Practice Academic Medicine and Publish from Developing Countries? A Practical Guide . Edited by Samiran Nundy, Atul Kakar, and Zulfiqar A. Bhutta. (Springer Singapore, 2022), pp. 185-192.
Saul Mcleod, PhD
Editor-in-Chief for Simply Psychology
BSc (Hons) Psychology, MRes, PhD, University of Manchester
Saul Mcleod, PhD., is a qualified psychology teacher with over 18 years of experience in further and higher education. He has been published in peer-reviewed journals, including the Journal of Clinical Psychology.
Learn about our Editorial Process
Olivia Guy-Evans, MSc
Associate Editor for Simply Psychology
BSc (Hons) Psychology, MSc Psychology of Education
Olivia Guy-Evans is a writer and associate editor for Simply Psychology. She has previously worked in healthcare and educational sectors.
On This Page:
Social psychology is the scientific study of how people’s thoughts, feelings, beliefs, intentions, and goals are constructed within a social context by the actual or imagined interactions with others.
It, therefore, looks at human behavior as influenced by other people and the conditions under which social behavior and feelings occur.
Baron, Byrne, and Suls (1989) define social psychology as “the scientific field that seeks to understand the nature and causes of individual behavior in social situations” (p. 6).
Topics examined in social psychology include the self-concept , social cognition, attribution theory , social influence, group processes, prejudice and discrimination , interpersonal processes, aggression, attitudes , and stereotypes .
Social psychology operates on several foundational assumptions. These fundamental beliefs provide a framework for theories, research, and interpretations.
Aristotle believed that humans were naturally sociable, a necessity that allows us to live together (an individual-centered approach), whilst Plato felt that the state controlled the individual and encouraged social responsibility through social context (a socio-centered approach).
Hegel (1770–1831) introduced the concept that society has inevitable links with the development of the social mind. This led to the idea of a group mind, which is important in the study of social psychology.
Lazarus & Steinthal wrote about Anglo-European influences in 1860. “Volkerpsychologie” emerged, which focused on the idea of a collective mind.
It emphasized the notion that personality develops because of cultural and community influences, especially through language, which is both a social product of the community as well as a means of encouraging particular social thought in the individual. Therefore Wundt (1900–1920) encouraged the methodological study of language and its influence on the social being.
Texts focusing on social psychology first emerged in the 20th century. McDougall published the first notable book in English in 1908 (An Introduction to Social Psychology), which included chapters on emotion and sentiment, morality, character, and religion, quite different from those incorporated in the field today.
He believed social behavior was innate/instinctive and, therefore, individual, hence his choice of topics. This belief is not the principle upheld in modern social psychology, however.
Allport’s work (1924) underpins current thinking to a greater degree, as he acknowledged that social behavior results from interactions between people.
He also took a methodological approach, discussing actual research and emphasizing that the field was a “science … which studies the behavior of the individual in so far as his behavior stimulates other individuals, or is itself a reaction to this behavior” (1942: p. 12).
His book also dealt with topics still evident today, such as emotion, conformity, and the effects of an audience on others.
Murchison (1935) published The first handbook on social psychology was published by Murchison in 1935. Murphy & Murphy (1931/37) produced a book summarizing the findings of 1,000 studies in social psychology. A text by Klineberg (1940) looked at the interaction between social context and personality development. By the 1950s, several texts were available on the subject.
• 1950s – Journal of Abnormal and Social Psychology
• 1963 – Journal of Personality, British Journal of Social and Clinical Psychology
• 1965 – Journal of Personality and Social Psychology, Journal of Experimental Social Psychology
• 1971 – Journal of Applied Social Psychology, European Journal of Social Psychology
• 1975 – Social Psychology Quarterly, Personality and Social Psychology Bulletin
• 1982 – Social Cognition
• 1984 – Journal of Social and Personal Relationships
There is some disagreement about the first true experiment, but the following are certainly among some of the most important.
Triplett (1898) applied the experimental method to investigate the performance of cyclists and schoolchildren on how the presence of others influences overall performance – thus, how individuals are affected and behave in the social context.
By 1935, the study of social norms had developed, looking at how individuals behave according to the rules of society. This was conducted by Sherif (1935).
Lewin et al. then began experimental research into leadership and group processes by 1939, looking at effective work ethics under different leadership styles.
Much of the key research in social psychology developed following World War II, when people became interested in the behavior of individuals when grouped together and in social situations. Key studies were carried out in several areas.
Some studies focused on how attitudes are formed, changed by the social context, and measured to ascertain whether a change has occurred.
Amongst some of the most famous works in social psychology is that on obedience conducted by Milgram in his “electric shock” study, which looked at the role an authority figure plays in shaping behavior. Similarly, Zimbardo’s prison simulation notably demonstrated conformity to given roles in the social world.
Wider topics then began to emerge, such as social perception, aggression, relationships, decision-making, pro-social behavior, and attribution, many of which are central to today’s topics and will be discussed throughout this website.
Thus, the growth years of social psychology occurred during the decades following the 1940s.
The scope of social psychology is vast, reflecting the myriad ways social factors intertwine with individual cognition and behavior.
Its principles and findings resonate in virtually every area of human interaction, making it a vital field for understanding and improving the human experience.
Allport (1920) – social facilitation.
Allport introduced the notion that the presence of others (the social group) can facilitate certain behavior.
It was found that an audience would improve an actor’s performance in well-learned/easy tasks but leads to a decrease in performance on newly learned/difficult tasks due to social inhibition.
Bandura introduced the notion that behavior in the social world could be modeled. Three groups of children watched a video where an adult was aggressive towards a ‘bobo doll,’ and the adult was either just seen to be doing this, was rewarded by another adult for their behavior, or was punished for it.
Children who had seen the adult rewarded were found to be more likely to copy such behavior.
Festinger, Schacter, and Black brought up the idea that when we hold beliefs, attitudes, or cognitions which are different, then we experience dissonance – this is an inconsistency that causes discomfort.
We are motivated to reduce this by either changing one of our thoughts, beliefs, or attitudes or selectively attending to information that supports one of our beliefs and ignores the other (selective exposure hypothesis).
Dissonance occurs when there are difficult choices or decisions or when people participate in behavior that is contrary to their attitude. Dissonance is thus brought about by effort justification (when aiming to reach a modest goal), induced compliance (when people are forced to comply contrary to their attitude), and free choice (when weighing up decisions).
When divided into artificial (minimal) groups, prejudice results simply from the awareness that there is an “out-group” (the other group).
When the boys were asked to allocate points to others (which might be converted into rewards) who were either part of their own group or the out-group, they displayed a strong in-group preference. That is, they allocated more points on the set task to boys who they believed to be in the same group as themselves.
This can be accounted for by Tajfel & Turner’s social identity theory, which states that individuals need to maintain a positive sense of personal and social identity: this is partly achieved by emphasizing the desirability of one’s own group, focusing on distinctions between other “lesser” groups.
Weiner was interested in the attributions made for experiences of success and failure and introduced the idea that we look for explanations of behavior in the social world.
He believed that these were made based on three areas: locus, which could be internal or external; stability, which is whether the cause is stable or changes over time: and controllability.
Participants were told that they were taking part in a study on learning but always acted as the teacher when they were then responsible for going over paired associate learning tasks.
When the learner (a stooge) got the answer wrong, they were told by a scientist that they had to deliver an electric shock. This did not actually happen, although the participant was unaware of this as they had themselves a sample (real!) shock at the start of the experiment.
They were encouraged to increase the voltage given after each incorrect answer up to a maximum voltage, and it was found that all participants gave shocks up to 300v, with 65 percent reaching the highest level of 450v.
It seems that obedience is most likely to occur in an unfamiliar environment and in the presence of an authority figure, especially when covert pressure is put upon people to obey. It is also possible that it occurs because the participant felt that someone other than themselves was responsible for their actions.
Volunteers took part in a simulation where they were randomly assigned the role of a prisoner or guard and taken to a converted university basement resembling a prison environment. There was some basic loss of rights for the prisoners, who were unexpectedly arrested, and given a uniform and an identification number (they were therefore deindividuated).
The study showed that conformity to social roles occurred as part of the social interaction, as both groups displayed more negative emotions, and hostility and dehumanization became apparent.
Prisoners became passive, whilst the guards assumed an active, brutal, and dominant role. Although normative and informational social influence played a role here, deindividuation/the loss of a sense of identity seemed most likely to lead to conformity.
Both this and Milgram’s study introduced the notion of social influence and the ways in which this could be observed/tested.
As a scientific discipline, social psychology prioritizes formulating clear and testable hypotheses. This clarity facilitates empirical testing, ensuring the field’s findings are based on observable and quantifiable phenomena.
The Asch conformity experiments hypothesized that individuals would conform to a group’s incorrect judgment.
The clear prediction allowed for controlled experimentation to determine the extent and conditions of such conformity.
Social psychology leans heavily on empirical methods, emphasizing objectivity. This means that results are less influenced by biases or subjective interpretations.
Double-blind procedures , controlled settings, and standardized measures in many social psychology experiments ensure that results are replicable and less prone to experimenter bias.
Over the years, a multitude of experiments in social psychology have bolstered the credibility of its theories. This experimental validation lends weight to its findings and claims.
The robust body of experimental evidence supporting cognitive dissonance theory, from Festinger’s initial studies to more recent replications, showcases the theory’s enduring strength and relevance.
Underestimates individual differences.
While social psychology often looks at broad trends and general behaviors, it can sometimes gloss over individual differences.
Not everyone conforms, obeys, or reacts in the same way, and these nuanced differences can be critical.
While Milgram’s obedience experiments showcased a startling rate of compliance to authority, there were still participants who resisted, and their reasons and characteristics are equally important to understand.
While social psychology focuses on the social environment’s impact on behavior, early theories sometimes neglect the biological underpinnings that play a role.
Hormones, genetics, and neurological factors can influence behavior and might intersect with social factors in complex ways.
The role of testosterone in aggressive behavior is a clear instance where biology intersects with the social. Ignoring such biological components can lead to an incomplete understanding.
Social psychology sometimes offers a narrow view, capturing only a momentary slice of a broader, evolving process. This might mean that the field fails to capture the depth, evolution, or intricacies of social processes over time.
A study might capture attitudes towards a social issue at a single point in time, but not account for the historical evolution, future shifts, or deeper societal underpinnings of those attitudes.
Allport, F. H. (1920). The influence of the group upon association and thought. Journal of Experimental Psychology , 3(3), 159.
Allport, F. H. (1924). Response to social stimulation in the group. Social psychology , 260-291.
Allport, F. H. (1942). Methods in the study of collective action phenomena. The Journal of Social Psychology , 15(1), 165-185.
Bandura, A., Ross, D., & Ross, S. A. (1963). Vicarious reinforcement and imitative learning. The Journal of Abnormal and Social Psychology , 67(6), 601.
Baron, R. A., Byrne, D., & Suls, J. (1989). Attitudes: Evaluating the social world. Baron et al, Social Psychology . 3rd edn. MA: Allyn and Bacon, 79-101.
Festinger, L., Schachter, S., & Back, K. (1950). Social processes in informal groups .
Haney, C., Banks, W. C., & Zimbardo, P. G. (1973). Study of prisoners and guards in a simulated prison. Naval Research Reviews , 9(1-17).
Klineberg, O. (1940). The problem of personality .
Krewer, B., & Jahoda, G. (1860). On the scope of Lazarus and Steinthals “Völkerpsychologie” as reflected in the. Zeitschrift für Völkerpsychologie und Sprachwissenschaft, 1890, 4-12.
Lewin, K., Lippitt, R., & White, R. K. (1939). Patterns of aggressive behavior in experimentally created “social climates”. The Journal of Social Psychology , 10(2), 269-299.
Mcdougall, W. (1908). An introduction to social psychology . Londres: Methuen.
Milgram, S. (1963). Behavioral study of obedience. The Journal of Abnormal and Social Psychology , 67(4), 371.
Murchison, C. (1935). A handbook of social psychology .
Murphy, G., & Murphy, L. B. (1931). Experimental social psychology .
Sherif, M. (1935). A study of some social factors in perception. Archives of Psychology (Columbia University).
Tajfel, H., Billig, M. G., Bundy, R. P., & Flament, C. (1971). Social categorization and intergroup behavior. European journal of social psychology , 1(2), 149-178.
Triplett, N. (1898). The dynamogenic factors in pacemaking and competition. American journal of Psychology , 9(4), 507-533.
Weiner, B. (1986). An attributional theory of motivation and emotion . New York: Springer-Verlag.
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Drowsy driving kills — but is preventable. Learn about three factors commonly associated with drowsy-driving crashes and pick up some helpful tips to avoid falling asleep at the wheel. In this section, you’ll also find several resources and learn what NHTSA is doing to help eliminate this risky behavior.
Fatigue has costly effects on the safety, health, and quality of life of the American public. Whether fatigue is caused by sleep restriction due to a new baby waking every couple of hours, a late or long shift at work, hanging out late with friends, or a long and monotonous drive for the holidays – the negative outcomes can be the same. These include impaired cognition and performance, motor vehicle crashes, workplace accidents, and health consequences.
Tackling these issues can be difficult when our lifestyle does not align with avoiding drowsy driving. In a 24/7 society, with an emphasis on work, longer commutes, and exponential advancement of technology, many people do not get the sleep they need. Effectively dealing with the drowsy-driving problem requires fundamental changes to societal norms and especially attitudes about drowsy driving.
The terms drowsy, sleepy, and fatigue are used interchangeably although there are differences in the way these terms are used and understood.
Unfortunately, determining a precise number of drowsy-driving crashes, injuries, and fatalities is not yet possible. Crash investigators can look for clues that drowsiness contributed to a crash, but these clues are not always identifiable or conclusive.
NHTSA’s census of fatal crashes and estimate of traffic-related crashes and injuries rely on police and hospital reports to determine the incidence of drowsy-driving crashes. NHTSA estimates that in 2017, 91,000 police-reported crashes involved drowsy drivers. These crashes led to an estimated 50,000 people injured and nearly 800 deaths. But there is broad agreement across the traffic safety, sleep science, and public health communities that this is an underestimate of the impact of drowsy driving.
Sleepiness can result in crashes any time of the day or night, but three factors are most commonly associated with drowsy-driving crashes.
Drowsy-driving crashes:
NHTSA demonstrates its commitment to eliminating drowsy driving on our nation’s roads by working with the Centers for Disease Control and Prevention and the National Institutes of Health to expand our understanding of drowsy driving so we can reduce related deaths and injuries and help people avoid becoming a drowsy-driving statistic.
Other efforts include:
Centers for Disease Control & Prevention (CDC)
Food & Drug Administration (FDA)
Federal Highway Administration (FHWA)
Federal Motor Carrier Safety Administration (FMCSA)
National Institutes of Health (NIH) National Center on Sleep Disorders Research and Office of Prevention, Education, and Control
National Institute for Occupational Safety and Health (NIOSH)
National Transportation Safety Board (NTSB)
Drowsy Driving Prevention Week
Explore other topics in risky driving.
Every research work must be delimited to a particular scope. Your scope of study is your coverage area, you need to limit your study to a catchment you can sufficiently handle, it must be within your capacity. The idea of wanting to cover a whole country is not admissible, before choosing a scope of study, ask yourself the following questions:
These (above items) should be put into consideration. It is recommended that you identify areas you can reach within the shortest time possible, within your budget and very accessible.
This is because you don’t want to throw in questionnaire in locations that would take you 7hours of travel, what then happens after the questionnaires have been filled, would you still travel another 7hours to collect completed questionnaires. Why not pick one or two Local Government Area, a city or at most a state especially where you reside or very familiar with.
Even if your topic deals with problems affecting the nation (e.g., case study research), why not select a region, a few states (if you have to compare) or a few locations from two or three states and do proper research on them. The truth be told, most research whose case study covers the entirety of a country find it difficult collecting accurate data (with use of questionnaires), they end up copying from already researched papers (plagiarism).
In addition, the scope of the study defines the upper and lower bounds of the study and it is meant to explain the keywords in the topic or title either in terms of the subject matter, location, or in terms of time dimension. The main goal is to limit the level of responsibility of researchers to whatever queries may arise during the execution of the study. Defining the scope of the study exonerates the researchers from other issues that are relevant to the study but not covered. It is important for the researcher to know that the scope of the study should be specific, measurable, identifiable, time-bound, and cost-effective. If the scope is too wide, it will be very expensive to cover.
Furthermore, it is important to set limits on how much one tries to cover in a single study. The issues (or factors or variables) investigated are the study’s independent variables. It is possible for the dependent variable in the problem to relate to many factors. When this is the case, delimit the study to a few of the independent factors. If the study applies to a subject in a wide geographical coverage, it is necessary to also delimit the study to a reasonable coverage.
The study is on the effect of Government quarters monetization policy on housing development in Enugu urban; therefore, to effectively do justice to this subject, Secretariat Quarters Ogui, Ologo Quarters, Agbani Road, CBN Quarters Trans Ekulu and Artisan Quarters are adopted as a case study. This includes the buildings, infrastructural facilities, environment, and the general components of the various quarters in Enugu urban.
The study is on the examination of problems associated with using real estate as collateral for loan facilities in selected banks in FCT – Abuja between 2013 to 2022. The study was further limited to fourteen commercial bank branches in FCT – Abuja comprising Zenith Bank Plc., First Bank of Nigeria; Fidelity Bank, Union Bank plc, First City Monument Bank, Sterling Bank.
The study is on the problems associated with using real estate as collateral for loan facilities in selected banks in Enugu. There are various motives for loan applications in Enugu, notwithstanding; for the purpose of this study; emphasis is laid on loan applications for real estate investments and business transactions; the study was limited to the following commercial banks in Enugu urban; Zenith Bank, Independence layout; First Bank of Nigeria, New Haven Branch; Fidelity Bank, Okpara Avenue; Sterling Bank, Market Road and Access Bank, Ogui Road.
The scope of this study covers the Ketu area; it is bordered by a major highway in Lagos Metropolis, the Lagos Ikorodu Road which serves as a link from Jibowu to Ikorodu. The area to be studied comprises of Demurin and Akintan Corridor in Kosofe Local Government Area in Lagos metropolis. It requires a piece of comprehensive information consisting of variables on the socio-economic features of residents as affecting housing quality in the subject area; including the population, age and sex distribution, level of education, and marital status, the study also intends to investigate the physical features of available housing in the area under study and demographic variables of the households representing the housing characteristics such as costs, rents and quality of housing in the metropolis.
For in-depth study, this work will assess the condition of housing, available facilities in the subject neighborhood, the number of floors, size of the habitable rooms, the occupancy ratio, housing quality indicators the likes of structural adequacy, neighborhood quality, residents’ perception on neighborhood safety, level of public services allowed, access to work and other social amenities, room density and affordability of housing. The study also considers the contributing factors to housing problems over a period of 10 years (2013 to 2023).
Your scope should have a jurisdiction, a limit…a start point and an end point.
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Compliance is the state of being in accordance with established guidelines or specifications, or the process of becoming so. Software, for example, may be developed in compliance with specifications created by a standards body, and then deployed by user organizations in compliance with a vendor's licensing agreement. The definition of compliance can also encompass efforts to ensure that organizations are abiding by both industry regulations and government legislation.
Compliance is a prevalent business concern, partly because of an ever-increasing number of regulations that require companies to be vigilant about maintaining a full understanding of their regulatory requirements for compliance. To adhere to compliance standards, an organization must follow requirements or regulations imposed by either itself or government legislation.
Some prominent regulations, standards and legislation that organizations may need to be compliant with include the following:
IT compliance guidelines vary by country; Sarbanes-Oxley Act, for example, is U.S. legislation. Similar legislation in other countries includes Germany's Deutscher Corporate Governance Kodex and Australia's Corporate Law Economic Reform Program Act 2004. As a result, multinational organizations must be cognizant of the regulatory compliance requirements of each country they operate within. For example, GDPR applies to all organizations that are based outside the European Union, as long as they also operate in the EU.
There are two main types of compliance that denote where the framework is coming from: corporate and regulatory. Both corporate and regulatory compliance consist of a framework of rules, regulations and practices to follow.
Corporate and regulatory compliance are very similar, with their main difference being whether their policies come from internal or external regulations.
As regulations and other guidelines have increasingly become a concern for corporate management, companies are turning more frequently to specialized compliance software and IT compliance consultancies. Many organizations have even added compliance jobs, such as the role of chief compliance officer (CCO).
The main responsibilities of a CCO include ensuring the organization is able to both manage compliance risk and pass a compliance audit . The exact nature of a compliance audit will vary, depending on factors such as the organization's industry, whether it is a public or private company, and the nature of the data it creates, collects and stores. Other responsibilities of a CCO include identifying the potential risks an organization faces, assessing the effectiveness of any risk-prevention processes and resolving any compliance issues.
Other possible compliance roles include the following:
To ensure an organization follows compliance laws or regulations, they should follow these best practices:
Learn more about compliance and its related security concerns in this article.
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Published on 10.6.2024 in Vol 26 (2024)
Authors of this article:
1 Berlin Institute of Health, Charité - Universitätsmedizin Berlin, Berlin, Germany
2 Center for Integrated Oncology Aachen Bonn Cologne Duesseldorf, Department I of Internal Medicine, University Hospital Cologne and Faculty of Medicine, University of Cologne, Cologne, Germany
3 Heidelberg Institut für Global Health, Universitätsklinikum Heidelberg, Heidelberg, Germany
4 See Acknowledgments
Caroline Stellmach, MSc
Berlin Institute of Health
Charité - Universitätsmedizin Berlin
Anna-Louisa-Karsch-Str 2
Berlin, 10178
Phone: 49 15752614677
Email: [email protected]
Background: It is necessary to harmonize and standardize data variables used in case report forms (CRFs) of clinical studies to facilitate the merging and sharing of the collected patient data across several clinical studies. This is particularly true for clinical studies that focus on infectious diseases. Public health may be highly dependent on the findings of such studies. Hence, there is an elevated urgency to generate meaningful, reliable insights, ideally based on a high sample number and quality data. The implementation of core data elements and the incorporation of interoperability standards can facilitate the creation of harmonized clinical data sets.
Objective: This study’s objective was to compare, harmonize, and standardize variables focused on diagnostic tests used as part of CRFs in 6 international clinical studies of infectious diseases in order to, ultimately, then make available the panstudy common data elements (CDEs) for ongoing and future studies to foster interoperability and comparability of collected data across trials.
Methods: We reviewed and compared the metadata that comprised the CRFs used for data collection in and across all 6 infectious disease studies under consideration in order to identify CDEs. We examined the availability of international semantic standard codes within the Systemized Nomenclature of Medicine - Clinical Terms, the National Cancer Institute Thesaurus, and the Logical Observation Identifiers Names and Codes system for the unambiguous representation of diagnostic testing information that makes up the CDEs. We then proposed 2 data models that incorporate semantic and syntactic standards for the identified CDEs.
Results: Of 216 variables that were considered in the scope of the analysis, we identified 11 CDEs to describe diagnostic tests (in particular, serology and sequencing) for infectious diseases: viral lineage/clade; test date, type, performer, and manufacturer; target gene; quantitative and qualitative results; and specimen identifier, type, and collection date.
Conclusions: The identification of CDEs for infectious diseases is the first step in facilitating the exchange and possible merging of a subset of data across clinical studies (and with that, large research projects) for possible shared analysis to increase the power of findings. The path to harmonization and standardization of clinical study data in the interest of interoperability can be paved in 2 ways. First, a map to standard terminologies ensures that each data element’s (variable’s) definition is unambiguous and that it has a single, unique interpretation across studies. Second, the exchange of these data is assisted by “wrapping” them in a standard exchange format, such as Fast Health care Interoperability Resources or the Clinical Data Interchange Standards Consortium’s Clinical Data Acquisition Standards Harmonization Model.
In response to the spread of SARS-CoV-2 starting in late 2019, large-scale observational studies as well as clinical trials have been launched worldwide to gain insights into disease patterns, treatment options, prevention measures, severity, and outcomes [ 1 ]. New findings related to the diagnosis, prevention, and treatment of many infectious diseases, including COVID-19, heavily rely on data generated by diagnostic tools and laboratory analysis of the pathogen and host response [ 2 ].
Immunological testing has become a cost- and time-efficient way to monitor infections [ 3 ]. Hence, a growing number of clinical studies include biosample information as part of their data collection targets, particularly results of analytical tests performed on blood samples [ 4 ].
Data from patients enrolled in a study are commonly collected using a case report form (CRF) [ 5 ]. The International Conference on Harmonization Guidelines for Good Clinical Practice defines a CRF as a “printed, optical or electronic document designed to record all of the protocol-required information to be reported to the sponsor on each trial subject” [ 6 ]. Since the design of a CRF can affect study outcomes, time and resources need to be invested to maximize the quality of the data collected and ensure that good clinical practice guidelines are being followed [ 7 ].
The identification of common data elements (CDEs), each comprising 1 or more questions and respective answer value sets, is an approach to standardize data collection instruments (ie, CRFs) across studies [ 8 ]. A CDE may also contain standardized ontology concepts directly or include a link to the unique identifier for an appropriate ontology concept [ 9 ].
We have previously described [ 10 ] how incorporating standard codes into clinical trials metadata can increase their findability, accessibility, interoperability, and reusability (FAIR)ness [ 11 ]. The FAIR principles are recognized internationally as important guides to conducting research [ 12 ]. Interoperability, in particular, is defined as the ability of several systems to exchange information, as well as read and use the received information without requiring further preprocessing [ 13 ]. Although there are several levels of interoperability [ 14 ], the focus of this study in the context of health care data was on semantic (use of standard terminologies and classifications) and syntactic (implementation of a standard exchange format) interoperability.
The use of data standards when designing CRFs can serve multiple purposes: in addition to supporting data quality, it facilitates the merging and exchange of data from multiple sources, as well as subsequent analysis [ 5 ]. International standards development organizations (SDOs), such as Health Level Seven (HL7) or Integrating the Healthcare Enterprise (IHE), promote and coordinate the use of these standards [ 15 ]. HL7 has developed the exchange standard Fast Healthcare Interoperability Resource (FHIR), which allows for the exchange of health-related information based on packaging it into so-called resources. The FHIR can represent a wide range of data, particularly those generated in care settings [ 16 ]. In comparison, the Clinical Data Interchange Standards Consortium (CDISC) has published standards for the representation of CRF data used in clinical trials [ 17 ].
By mapping study data elements to international semantic standard codes, the included concepts receive an unambiguous definition that is tied to an identifier that makes it machine-readable [ 18 ]. Among the widely used terminologies and classifications for health care concepts are the Logical Observation Identifiers Names and Codes (LOINC) and the Systematized Nomenclature of Medicine – Clinical Terms (SNOMED CT). The National Cancer Institute Thesaurus (NCIt) is also available as a reference terminology focused, among others, on translational research and clinical care information [ 19 ]. LOINC provides standard codes (each comprising a set of an identifier, a name, and a code) for laboratory observations, documents, and questionnaires [ 20 ]. SNOMED CT covers a broad range of health care information, and each of its concepts has a unique identifier and is defined by a description and 1 or more relationships [ 21 ].
In this study, we set out to analyze CRF variables from 6 study protocols capturing information about diagnostic testing with the purpose of identifying CDEs specific to infectious diseases. The selected studies investigated 3 different infectious diseases in humans: COVID-19 [ 1 ], monkeypox (mpox) [ 22 ], and Zika [ 23 ]. The CRF variables we included originate from the International Severe Acute Respiratory and emerging Infection Consortium (ISARIC) COVID-19 Core CRF [ 24 ], as well as from 3 of the many international research projects focused on gaining new insights into SARS-CoV-2: the ORCHESTRA project [ 25 ], the Intersectoral Platform (SUEP) of the National Pandemic Cohort Network (NAPKON SUEP) study [ 26 ], and the Lean European Open Survey on SARS-CoV‑2 (LEOSS) [ 27 ] study. Additionally, we analyzed the World Health Organization (WHO) CRF on the mpox infection [ 28 ] and the Zika CRFs of ZIKAlliance [ 29 ].
Our goal of proposing standardized paninfectious disease CRF variables for diagnostic testing information for use in CRFs was broken down into 3 subtasks: (1) identification of interstudy CDEs, (2) creation of a preliminary map of the CDEs to semantic standard codes, and (3) development of a proposed mapping of the CDEs to the FHIR syntax standards [ 30 ] and the CDISC’s standards for data collection [ 17 ].
Since only CRF metadata (meaning definitions of questions and answers used to comprise CRFs) were used and no actual patient data were reviewed in this study, ethics approval was not required.
Figure 1 provides a graphical overview of the steps we followed to create a standardized set of variables for use in data collection instruments in infectious disease studies focusing on diagnostic testing.
We examined 6 CRFs provided to us by 4 research consortia, and we downloaded the publicly available CRFs from the ISARIC and WHO websites [ 24 ]. We proceeded to extract diagnostic testing variables from each CRF and organized them for analysis and comparison in a Microsoft Excel sheet.
The following CRFs were included:
We translated the variables from the NAPKON SUEP study from German into English to harmonize it with the language of the other selected studies (English). The study manager verified the translation.
In the first step of analyzing the study metadata, we reviewed all CRF variables (questions and answers). Adopting the National Institutes of Health’s methodology to derive CDEs [ 34 ], we created common categories to group variables based on the key information they contained. We then reviewed the newly organized variables to determine which categories were present in at least 2 (33%) of the 6 CRFs. These common variables then formed the basis as newly identified CDEs for infectious diseases.
For each of these preliminary CDEs, the extensive value set (sum of all unique answers) across all reviewed CRFs was determined. If necessary, we created value set subsets based on informational content and pathogen type.
Each CDE (question and value set) was then mapped to the appropriate semantic standard code(s) and FHIR element(s). We searched for available terminology codes using the NCIt browser (version 23.02d, release date February 27, 2023), the SearchLOINC tool (v2.26), and the SNOMED CT browser (version 2023-03-31). If no semantic standard code was found, we prepared a submission to request the creation of a new code, depending on the informational domain, with NCIt, SNOMED CT, or LOINC.
The analysis of the CRFs used in 6 infectious disease studies led to the identification of 216 variables focusing on diagnostic testing, which were in the scope of further analysis: 103 (47.7%) from ORCHESTRA, 51 (23.6%) from NAPKON SUEP, 27 (12.5%) from the Zika study, 16 (7.4%) from the ISARIC CRF, 13 (6%) from the LEOSS survey, and 6 (2.8%) from the mpox study (Table S1 in Multimedia Appendix 1 [ 25 , 28 , 32 , 35 - 42 ]). These diagnostic testing variables could be grouped into 22 newly defined categories, which are shown in Table S2 in Multimedia Appendix 1 .
Based on the analysis of the 6 CRFs, we identified 11 CDEs, each of which was present in at least 2 (33%) of the 6 reviewed data collection instruments and reflected diagnostic testing information applicable to infectious disease studies. We mapped these CDEs to semantic standard codes and FHIR resources (illustrated in Figure 2 ), as well as to the CDISC ( Multimedia Appendix 2 ).
The first CDE was defined as “viral lineage” or “viral clade.” Depending on the virus investigated, its value sets would vary to reflect the applicable clade and lineage details, as exemplified in Figure 3 .
Genetic diversity, as described in a phylogenetic tree, is classified by clades. A clade, also called genotype or subtype, comprises a set of lineages that are all descended from only 1 ancestor, common to them [ 43 ].
ORCHESTRA and the human mpox study contained 3 (1.4%) variables providing monkeypox virus (MPXV) and SARS-CoV-2 clade details. In addition, viral lineage information was collected from ORCHESTRA, the ISARIC CRF, and NAPKON SUEP across 4 (1.9%) variables.
There is no uniform convention for naming viral clades and lineages. In the case of SARS-CoV-2, the most widely used nomenclatures for subtypes are provided by the Global Initiative on Sharing All Influenza Data [ 44 ], Rambault et al [ 43 ], and Nextstrain [ 45 ], which differ in the position at which clades are differentiated from one another.
Our analysis led to the identification of “specimen identifier,” “specimen collection date,” and “specimen type” as additional CDEs across the 6 studies. ORCHESTRA and the Zika and mpox studies included 6 (2.8%) variables that were grouped as “specimen identifiers” and had a free-text format. Any biological specimen (ie, blood, urine, cerebrospinal fluid, feces) used for laboratory analysis must be uniquely identified so that the resulting findings are associated with the right patient. Identifiers might contain a patient’s first and last names, birth date, medical facility number, or a unique, randomly generated code [ 46 ]. In addition to this internal laboratory-based specimen identifier, a particular specimen might have a second, external identifier that is assigned when results based on the analysis of said specimen are uploaded to a public/restricted databases or to a biobank [ 47 ].
Furthermore, 8 (3.7%) variables across the Zika study, NAPKON SUEP, ORCHESTRA, and ISARIC CRFs constituted the data element “specimen collection date,” requiring the input of a date format (mm/dd/yyyy). The specimen collection date marks the date on which a specimen was collected from a patient and placed in a specimen container for ensuing processing and analysis.
Details about the kind of specimen collected and used for analysis are provided by the coded “specimen type” CDE. All 6 reviewed studies included the data element “specimen type” in their variables. Our analysis led to the finding that there tended to be 2 axes involved in the value set elements of the specimen type, which covered information about the method used to collect the specimen (ie, swab) and the site of origin (ie, skin lesion). Examples are shown in Multimedia Appendix 3 .
The CDEs “test date” and “test performer” included variables from the ORCHESTRA and Zika study CRFs and the ORCHESTRA and NAPKON SUEP CRFs, respectively. The test date refers to the calendar date on which a particular laboratory diagnostic test (specified by the CDE “test type”) was conducted. The “test performer” CDE captures the full name of the individual(s) executing this diagnostic test in free-text format.
The coded CDE “test type” captures a specific laboratory test, which in this context would fall into 3 main categories: serology, sequencing, and polymerase chain reaction (PCR) analysis. All 6 reviewed CRFs included variables providing details about diagnostic tests. For serology tests, the test type in the analyzed SARS-CoV-2 studies provided details on the method, along with the analyzed target, whereas in the Zika study, only the target was given ( Multimedia Appendix 4 ).
In the context of COVID-19 research, lateral flow testing, immunofluorescence assay (IFA), enzyme-linked immunosorbent assay (ELISA), and chemiluminescence immunoassay (CLIA) are frequently used methods for the diagnosis of infections [ 48 ]. The detection of Zika and mpox infections is usually also based on serology, specifically ELISA-based antibody measurements [ 23 ].
The coded CDE “target gene” grouped 8 (3.7%) variables across the NAPKON SUEP, LEOSS, and ORCHESTRA CRFs. It refers to the target of a genome-focused diagnostic test, such as PCR or a sequencing method. Using primers that contain bases that are complementary to a conserved sequence within the target gene of a particular virus, this sequence, if present in the biological sample, is amplified and can be detected through PCR [ 49 ].
In total, 13 (6%) variables used across the Zika, NAPKON SUEP, and ORCHESTRA CRFs were grouped into the coded CDE “test manufacturer.” This data element provides information about the manufacturer of the diagnostic test (ie, kit or testing system). For example, the following PCR systems (manufacturers) were mentioned in a study variable in the NAPKON SUEP CRF: Seegene (Allplex) [ 50 ], altona Diagnostics (RealStar) [ 51 ], and Roche Deutschland Holding (cobas) [ 52 ].
All reported results of diagnostic testing covered by variables in the 6 CRFs we reviewed could be clustered into either qualitative or quantitative results, and thus, they formed the last 2 (18%) of 11 coded CDEs that we identified. A qualitative result details the findings about the presence or absence of a measured observable, such as virus-specific antibody or gene material. In contrast, a quantitative result constitutes numeric measurements (see Table S3 in Multimedia Appendix 1 ). In the studies that we analyzed, those numeric values were given for the titer, cycle threshold, and concentration of the same observables mentioned before.
To facilitate semantic interoperability of the proposed diagnostic testing CDEs, we suggested mapping each CDE and respective value set to the terminology standards SNOMED CT, LOINC, and NCIt. For each CDE, we created a suggested mapping that covers the variable itself and a nonexclusive list of possible value set elements (Table S4 in Multimedia Appendix 1 ).
The CDEs “viral lineage” and “viral clade” could be mapped to the following NCIt codes (code and description are shown), respectively: “C60792 Lineage” and “C179767 Clade.” Depending on the analyzed virus, the value sets (answers) could differ and be represented through mapping to either NCIt or LOINC codes. For example, in the case of detection of the SARS-CoV-2 variant B.1.1.7, the NCIt code “C179573 SARS Coronavirus 2 B.1.1.7” or the LOINC code “LA31705-9 SARS-CoV-2 B.1.1.7 lineage” is available.
The CDE “specimen identifier” could be represented in a standardized way using SNOMED CT, LOINC, and NCIt terms, as shown in Table S4 in Multimedia Appendix 1 . Likewise, codes from all 3 standards were available to represent the free-text CDEs “specimen collection date” and “specimen type.”
There are semantic standard concepts available to describe the “test date” and “test performer” CDEs. Using SNOMED CT codes from the “procedure” hierarchy or using NCIt terms, diagnostic test types, such as serology assays, sequencing, and PCR, can be described in a standardized manner. Incidentally, there are a few standard codes available to represent the value sets for “target gene” (for the envelope gene in SNOMED CT and a few in the NCIt), although not necessarily specifically meant to map viral pathogens’ genes (exception in the NCIt: “C19108 Viral Envelope Gene”). Thus, we prepared a submission to the NCIt for the creation of concepts that cover the prominently analyzed SARS-CoV-2 [ 53 ] and Zika virus (ZIKV) genes [ 54 ]. We submitted 33 concepts for code creation to the SDOs LOINC and NCIt (Table S5 in Multimedia Appendix 1 ).
No SNOMED CT codes were available to describe the value set elements for the “test manufacturer” CDE. However, both the NCIt and LOINC provide terms for this purpose; the NCIt has created concepts for specific COVID-19 diagnostic kits, detailing the manufacturer, analytical target, and method. Likewise, LOINC has created codes that bundle several kits into a single term, such as “94558-4 SARS-CoV-2 (COVID-19) Ag [Presence] in Respiratory specimen by Rapid immunoassay,” which represents 4 commercially available kits [ 55 ].
There are generic semantic terms from SNOMED CT and the NCIt to describe the “quantitative result” and “qualitative result” CDEs in a standardized manner, which can be used across viral pathogen studies, such as “Laboratory Test Result” or just “Result.” However, this would omit the distinction between “qualitative” and “quantitative.”
LOINC provides a comprehensive list of terms to describe qualitative results of laboratory diagnostic tests for SARS-CoV-2 and antibody measurements specific to ZIKV.
The use of the SNOMED CT terminology requires a country (or institutional) license. SNOMED International has, however, been releasing its Global Patient Set containing currently around 24,000 concepts, which can be used free of charge [ 56 ]. Of the 90 SNOMED CT codes, 33 (37%) that we included in the exemplary value set mappings for our proposed infectious disease diagnostic CDEs are covered by the Global Patient Set.
We proposed a preliminary mapping of the diagnostic testing CDEs to FHIR (version R4) elements as a first step toward establishing syntactical interoperability ( Figure 2 , right). Of the 11 CDEs that we identified, 8 (72.7%) were mapped to the Observation resource and the remaining 3 (27.3%) to the Specimen resource.
Additionally, we provided a preliminary suggested mapping of the FHIR elements to the CDISC according to the FHIR to CDISC Joint Mapping Implementation Guide v1.0 [ 57 ] (see Multimedia Appendix 2 ).
Resulting from the review of 6 CRFs, we identified 11 panstudy CDEs that capture key diagnostic testing information commonly collected across the reviewed infectious disease studies. These CDEs were purposefully kept generic to enhance the probability that they could be adopted by researchers and integrated into data collection instruments of other infectious disease studies, even if a different pathogen was studied. The pathogen under investigation in a given study would determine the value set elements of CDEs of the coded data.
The CDEs “viral lineage” and “viral clade” provide the means to describe genetic relatedness of viruses, which is critical to pathogen surveillance and relies on the availability of well-defined nomenclature [ 58 ]. Currently, no panvirus approach to naming viral clades and lineages exists. The International Committee on Taxonomy of Viruses, founded in 1966, has the goal to develop a taxonomy for viruses and establish names for viral taxa based on international agreement. However, the International Committee on Taxonomy of Viruses does not address the naming of viral clades and lineages [ 59 ]. In the context of ensuring that diagnostic testing results are linked to the right sample (specimen) and patient, the CDEs “specimen identifier,” “specimen collection date,” and “specimen type” are important parameters. Regarding the diagnostic test itself, documentation of the CDEs “test date” and “test performer” can help identify quality problems retrospectively. Diagnostic testing results can be split into the CDEs “qualitative result” and “quantitative result,” which would confirm the presence/absence of signs of a pathogen or numeric values of measured observables, such as antibody titers. The CDEs “test type,” “target gene,” and “test manufacturer” provide all complementary details to the diagnostic tests conducted. Along with the increasing inclusion of molecular testing variables in the study of infectious diseases, we expect that this number of recurring elements (which would be candidate CDEs) that describe diagnostic tests across different studies will continue to grow.
The power of research findings can be expanded through combining data from several clinical studies for analysis in an effort to create a larger data set. Without considering privacy or legal considerations, the basis for merging data from different sources is that the correct information (ie, data variables) is linked together to ensure accuracy and avoid misinterpretation. Defining standardized CDEs that serve as a common language across clinical studies is one way to approach this challenge [ 9 ]. Lin et al [ 5 ] described a similar approach of how CRF design can be optimized for data harmonization by creating a pool of reusable CDEs. There are numerous examples for the creation of CDEs for specific medical specialties and use cases, such as stroke trials [ 60 ], pregnancy pharmacovigilance [ 61 ], and COVID-19 [ 62 ]. This includes a set of CDEs on the quality of life in neurological disorders, as well as the PhenX Toolkit to capture key information on phenotypes [ 8 ].
To facilitate interoperability of study data in particular, we proposed a mapping of the identified CDEs to semantic and syntactic standards. We also created a table with practical examples of available standard codes to identify value set concepts ambiguously for variables contained in CRFs from studies focused on SARS-CoV-2, ZIKV, and MPXV (see Table S4 in Multimedia Appendix 1 ).
In the past, we have described how semantic interoperability standard codes can be integrated directly into the study metadata to facilitate merging, sharing, and analysis of patient data that are being collected across several clinical studies and cohort types, where several methods for data storage and collection have been used [ 10 ]. Kush et al [ 9 ] and Kersloot et al [ 11 ], among others, have discussed the advantage of introducing interoperability standards prior to data collection rather than retrospectively with the aim to save time and other resources.
An important aspect of mapping study data to semantic standard concepts is choosing appropriate terminology. Although there is no universal guidance for this process, we can draw instructive conclusions from our attempt to propose a mapping for the CDEs we identified for which we searched within the LOINC, SNOMED CT and NCIt, terminologies.
The selection of semantic standards to represent CDEs and their value sets depends on the way the CDEs (and underlying CRF variables) are phrased with regard to the level of detail and the kind of information that are described. The category of information covered by a CRF variable is the first “filter” for finding the appropriate terminology. The NCIt, which is managed by the National Cancer Institute, focuses on providing a vocabulary for the cancer domain [ 63 ]; hence, it comprises many (gen)omics-related terms. Each NCIt term is represented by a code and a name and has several annotations [ 64 ].
In contrast, the LOINC coding system, which is published by the Regenstrief Institute, is used by numerous large laboratories and government agencies, such as the Centers for Disease Control and Prevention, to describe laboratory and clinical findings, as well as documents [ 65 ]. Although LOINC has a clear focus on representing laboratory terms, SNOMED CT terms have a broader coverage of information and are commonly used to represent clinical information in electronic health records [ 63 ]. SNOMED CT and th eNCIt both provide concepts that are suitable to describe variables and value sets if they are kept more generic in their wording. LOINC terms, in contrast, are specific and should only be used to represent questions, not value sets. Contrary to the NCIt, SNOMED CT comprises a limited set of concepts to describe genomic methods and results.
Unlike the use of LOINC and the NCIt, embedding SNOMED CT concepts into the metadata of research data requires a license. In recent years, many countries have purchased a SNOMED CT affiliate license or become a SNOMED CT member, including Germany, Spain, and Portugal [ 66 ].
The LOINC coding system includes suitable codes for several of the CDEs we defined. For example, we chose the concept “95609-4 SARS-CoV-2 (COVID-19) S gene [Presence] in Respiratory specimen by Sequencing” as 1 of the available standard terms for coding the “qualitative result” CDE. However, it also covers the “target gene” (S gene), “specimen type” (respiratory specimen), and “test type” (sequencing) CDEs. Another aspect that should be kept in mind, especially concerning selecting standard terms for the “quantitative result” CDE when used in a CRF, is that the units of the result should be clearly defined and match those of the standard term. Although each LOINC term has a defined unit, SNOMED CT concepts do not necessarily implicitly or explicitly define units. The concept “1240461000000109 Measurement of severe acute respiratory syndrome coronavirus 2 antibody (observable entity)” has no unit of measure attached and hence can be used if a CRF variable can be measured using several different units. A standard way to describe units is offered by the Unified Code for Units of Measure [ 67 ].
Regarding finding the appropriate standard code for viral lineage, the more general-purpose terminology of SNOMED CT does not include the required level of detail for this CDE, which is captured in the NCIt. However, the list of microorganisms defined as concepts by SNOMED CT under the hierarchy “organism” is detailed and can be used to describe a pathogen. The hierarchical organization of SNOMED CT, which also includes sublevels of concepts, provides a clear idea of the positioning of any microorganism within the complex classification of organisms overall.
As knowledge rapidly evolves in health care, missing concepts are regularly added to ontologies. The process involves concept creation requests from the public, which are submitted to the SDOs. Zheng et al [ 63 ] describe an approach of using formal concept analysis to identify missing concepts in the NCIt and SNOMED CT.
We also proposed a mapping of the 11 diagnostic testing CDEs to the corresponding FHIR (version R4) element. This provides data with a standardized exchange format, which can incorporate standard terminologies. Elements in the Specimen [ 68 ] and Observation [ 69 ] (and for the test manufacturer, also Device [ 70 ]) resources can be used to represent all 11 CDEs.
The identified CDEs focus on diagnostic tests used in infectious disease studies. Additional CDEs that would fall into other informational categories (eg, therapeutics or comorbidities) were not considered as they were out of the scope of our study. Furthermore, since the reviewed ORCHESTRA variables include CRF variables from several COVID-19 studies, the selection of protocols might appear unbalanced.
The need to investigate COVID-19 quickly and extensively has made the pool of available variables describing diagnostic tests particularly abundant. Kush et al [ 9 ] point out that although the name “CDE” implies that these elements are common, they are not so commonly used. This is due to a lack of mandatory requirements for their use [ 9 ]. A necessary step to increase the adoption and value of CDEs would be that funding bodies (eg, the National Institutes of Health or the European Commission) in collaboration with SDOs create and impose mandatory requirements for the implementation of existent CDEs on recipients of project funding.
This material contains content from Logical Observation Identifiers Names and Codes (LOINC) [ 71 ]. LOINC is the copyright of Regenstrief Institute, Inc, and the LOINC Committee and is available at no cost under the license [ 72 ]. LOINC is a registered United States trademark of Regenstrief Institute, Inc.
This material also includes content from the National Cancer Institute Thesaurus, published by the National Cancer Institute [ 19 ].
The Systemized Nomenclature of Medicine - Clinical Terms (SNOMED CT) was used by the permission of SNOMED International. SNOMED CT was originally created by the College of American Pathologists. “SNOMED,” “SNOMED CT,” and “SNOMED Clinical Terms” are registered trademarks of SNOMED International [ 73 ].
We would like to thank all 3 SDOs for their collaboration and support with new term submissions and SNOMED International, in particular, for granting us permission to display and share the suggested terminology bindings.
The ORCHESTRA project received funding from the European Union’s Horizon 2020 Research and Innovation Program (grant agreement 101016167). The ZIKAlliance project received funding from the European Union’s Horizon 2020 Research and Innovation Program (grant agreement 734548). The ReCODID project received funding from the European Union’s Horizon 2020 Research and Innovation Program (grant agreement 825746). The Lean European Open Survey on SARS-CoV‑2 (LEOSS) registry was supported by the German Centre for Infection Research (DZIF) and the Willy Robert Pitzer Foundation. The National Pandemic Cohort Network (NAPKON) is part of the Network University Medicine and was funded by the German Federal Ministry of Education and Research (FKZ: 01KX2021). Parts of the infrastructure of the Würzburg study site were supported by the Bavarian Ministry of Research and Art to support coronavirus research projects. Parts of the NAPKON project suite and study protocols of the cross-sectoral cohort platform are based on projects funded by the DZIF.
The members of the working groups are as follows: NAPKON Working Group: Gabriele Anton, Katharina Appel, Sabine Blaschke, Isabel Bröhl, Johanna Erber, Karin Fiedler, Ramsia Geisler, Peter U. Heuschmann, Thomas Illig, Monika Kraus, Dagmar Krefting, Jens-Peter Reese, Margarete Scherer, Jörg Janne Vehreschild, Maria J.G.T. Vehreschild, and Luise Wolf. ORCHESTRA Working Group: Chiara Dellacasa, Miroslav Puskaric, Thomas Osmo, Elisa Rossi, and Anna Gorska. LEOSS Working Group: Jörg Janne Vehreschild, Carolin E. M. Koll, Margarete Scherer, and Maria J.G.T. Vehreschild. ReCoDID Working Group: Lauren Maxwell, Heather Hufstedler, and Frank Tobian.
The analyzed case report forms are stored and available in Excel format for review on the project’s online data repository [ 74 ].
CS and ER created the first draft of the manuscript, together with SMH, SMNdM, and TJ. All authors reviewed the draft, commented on it, and provided revisions, and they have approved the final version of the manuscript.
None declared.
Supplementary tables.
Map between the proposed FHIR representation (FHIR resources) and the corresponding CDISC elements for the 11 identified diagnostic testing CDEs for infectious disease studies. CDE: common data element; CDISC: Clinical Data Interchange Standards Consortium; FHIR: Fast Healthcare Interoperability Resources.
Example specimen types listed within CRF variables in the analyzed infectious disease studies. CRF: case report form.
Example variables (question and value set) from 2 of the reviewed CRFs. One came from the ZIKV study and the other from the NAPKON SUEP study. CLIA: chemiluminescence immunoassay; CRF: case report form; ELISA: enzyme-linked immunosorbent assay; IFA: immunofluorescence assay; IgA: immunoglobulin A; IgG: immunoglobulin G; IgM: immunoglobulin M; LFT: lateral flow immunoassay; PCR: polymerase chain reaction; SGTF: S gene target failure; VNTR: variable number of tandem repeats; WES: whole exome sequencing; WGS: whole genome sequencing; ZIKV: Zika virus.
common data element |
Clinical Data Interchange Standards Consortium |
case report form |
enzyme-linked immunosorbent assay |
findability, accessibility, interoperability, and reusability |
Fast Healthcare Interoperability Resource |
Health Level Seven |
Integrating the Healthcare Enterprise |
International Severe Acute Respiratory and emerging Infection Consortium |
Lean European Open Survey on SARS-CoV‑2 |
Logical Observation Identifiers Names and Codes |
monkeypox |
monkeypox virus |
Intersectoral Platform (SUEP) of the National Pandemic Cohort Network |
National Cancer Institute Thesaurus |
polymerase chain reaction |
standards development organization |
Systematized Nomenclature of Medicine - Clinical Terms |
World Health Organization |
Zika virus |
Edited by A Mavragani; submitted 19.06.23; peer-reviewed by K Ndlovu, S Hume; comments to author 19.09.23; revised version received 10.10.23; accepted 18.01.24; published 10.06.24.
©Caroline Stellmach, Sina Marie Hopff, Thomas Jaenisch, Susana Marina Nunes de Miranda, Eugenia Rinaldi, The NAPKON, LEOSS, ORCHESTRA, and ReCoDID Working Groups. Originally published in the Journal of Medical Internet Research (https://www.jmir.org), 10.06.2024.
This is an open-access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work, first published in the Journal of Medical Internet Research, is properly cited. The complete bibliographic information, a link to the original publication on https://www.jmir.org/, as well as this copyright and license information must be included.
How do i determine scope of research.
Scope of research is determined at the beginning of your research process , prior to the data collection stage. Sometimes called “scope of study,” your scope delineates what will and will not be covered in your project. It helps you focus your work and your time, ensuring that you’ll be able to achieve your goals and outcomes.
Defining a scope can be very useful in any research project, from a research proposal to a thesis or dissertation . A scope is needed for all types of research: quantitative , qualitative , and mixed methods .
To define your scope of research, consider the following:
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The sample size is a commonly used parameter in the definition of the research scope. For example, a research project involving human participants may define at the start of the study that 100 participants will be recruited.
Example 1: Title: "Investigating the impact of artificial intelligence on job automation in the IT industry". Scope of Research: This study aims to explore the impact of artificial intelligence on job automation in the IT industry. The research will involve a qualitative analysis of job postings, identifying tasks that can be automated ...
Identify the scope of your study: Determine the extent of your research by defining its boundaries. This will help you to identify the areas that are within the scope of your research and those that are outside of it. Determine the time frame: Decide on the time period that your research will cover. This could be a specific period, such as a ...
To define your scope of research, consider the following: Budget constraints or any specifics of grant funding. Your proposed timeline and duration. Specifics about your population of study, your proposed sample size, and the research methodology you'll pursue. Any inclusion and exclusion criteria. Any anticipated control, extraneous, or ...
An scope of the study is defined at the begin of this review. It is used by researchers to set the boundaries and limitations within which the research study will be performed. The scope is one students is defined at which start of one study. Computer is used by scientists to set the boundaries and limitations inward what that research survey ...
The scope of that studies is defined at the start away the study. It is used from researchers the determined the boundaries and limitations within which the research study will be run. The field concerning the study is defined to the start regarding the study. It is used in student to set the boundaries and limitations within which the research ...
Scope and Delimitation The scope of our study is for finding effects of playing online games to the academic performance of the students. The study is delimited only for the Grade 7 and 8 students in St. Joseph College of Novaliches, Inc., the main purpose of our study is to point out the effects of playing online games and aims are determining whether playing online games hinders their ...
1 Answer to this question. Answer: Scope sets the boundaries for your research. It establishes the extent you will be studying the research problem. This is done for several reasons (such as constraints of time and finance), but mainly to make your research feasible or 'doable.'. If not, it would consume a lot of effort and energy, which ...
In addition, in writing the scope of the study, your research methods need to be stated which includes listing specific aspects of the data, such as sample size, geographic location and variables. The academic theories applied to the data also need to be listed so the reader knows the lens of analysis the researcher is using.
Scope and delimitations of that study are vital elements that shape the trajectory of owner research study. Read this article to learn the significance, aim, and importance of these sections with practical tips on how to write one scope and border away one student in research. 2. Scope both Delimitation Examples for Quantity Research
It is essential to define the scope of the research project clearly go avoid confusion press ensuring which the study addresses and intended research questions. How go Write Field regarding the Research. Writing the scope of the research involves identifying the specific boundaries and limitations of the learning.
Research population: Another major aspect that should be involved while writing the scope of the study is the sample size or the population that the researcher has selected for the study. The sampling plan must clearly indicate the sample universe, target population, profile and sample size with justification.
The Scope of study in the thesis or research paper is contains the explanation of what information or subject is being analyzed. It is followed by an explanation of the limitation of the research. Research usually limited in scope by sample size, time and geographic area. While the delimitation of study is the description of the scope of study.
For example, a paper with the title, "African Politics" is so non-specific the title could be the title of a book and so ambiguous that it could refer to anything associated with politics in Africa. A good title should provide information about the focus and/or scope of your research study.
Research Problem Scope Delimitation Variables/Terms. What I Can Do. Read and analyze the paragraph. Identify the scope of the study and choose three (3) variables for the definition of terms In addition, note the parameters/ideas that serve to limit the study to keep it manageable. Scope and Delimitation
Much of the key research in social psychology developed following World War II, when people became interested in the behavior of individuals when grouped together and in social situations. ... What methods can effectively change them? This scope includes the study of persuasion, propaganda, and cognitive dissonance. Social Cognition: This ...
Scope and Limitations This research focuses on finding out the primary factors that affect the condition and the performance of car engines. Recent studies and researches will be used as reference in finding out what affects the condition and performance of different kinds of car engines.
National Institutes of Health (NIH) National Center on Sleep Disorders Research and Office of Prevention, Education, and Control. Educating Youth About Sleep and Drowsy Driving (PDF, 981 KB) National Institute for Occupational Safety and Health (NIOSH) Quick Sleep Tips for Truck Drivers (PDF, 1.9 MB) National Transportation Safety Board (NTSB)
The scope of the study basically means all those things that will be covered in the research project. It defines clearly the extent of content that will be covered by the means of the research in order to come to more logical conclusions and give conclusive and satisfactory answers to the research.
Typically, the information that you need to include in the scope would cover the following: 1. General purpose of the study. 2. The population or sample that you are studying. 3. The duration of the study. 4. The topics or theories that you will discuss. 5. The geographical location covered in the study
Defining the scope of the study exonerates the researchers from other issues that are relevant to the study but not covered. It is important for the researcher to know that the scope of the study should be specific, measurable, identifiable, time-bound, and cost-effective. If the scope is too wide, it will be very expensive to cover.
An abstract is a 150- to 250-word paragraph that provides readers with a quick overview of your essay or report and its organization. It should express your thesis (or central idea) and your key points; it should also suggest any implications or applications of the research you discuss in the paper.
Peer reviewed international journal that examines the relationship between energy systems and society. Energy Research & Social Science (ERSS) is a peer-reviewed international journal that publishes original research and review articles examining the relationship between energy systems and society.ERSS covers a range of topics revolving around the intersection of energy technologies, fuels ...
compliance validation: In compliance , validation is a formal procedure to determine how well an official or prescribed plan or course of action is being carried out. When regulated industries install or change any equipment that impacts the identity, strength, or quality of their products, their regulatory agency requires that the company ...
The scope of a study, as you may know, establishes the extent to which you will study the topic in question. It's done, quite simply, to keep the study practical. If the scope is too broad, the study may go on a long time. If it's too narrow, it may not yield sufficient data. For examples of the scope, you may refer to the following queries ...
Background: It is necessary to harmonize and standardize data variables used in case report forms (CRFs) of clinical studies to facilitate the merging and sharing of the collected patient data across several clinical studies. This is particularly true for clinical studies that focus on infectious diseases. Public health may be highly dependent on the findings of such studies.
A scope is needed for all types of research: quantitative, qualitative, and mixed methods. To define your scope of research, consider the following: Budget constraints or any specifics of grant funding; Your proposed timeline and duration; Specifics about your population of study, your proposed sample size, and the research methodology you'll ...
Example learner profiles Individuals looking to move into the IT field; ... Get familiar with Cisco's learning environment, find study resources, and discover helpful hints for earning your CCNA. Download the guide. CCNA Prep Program Packed with 50+ hours of resources, webinars, and practice quizzes, CCNA Prep On Demand is your ultimate study ...