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The AMA Journal of Ethics exists to help medical students, physicians and all health care professionals navigate ethical decisions in service to patients and society. The journal publishes cases and expert commentary, medical education articles, policy discussions, peer-reviewed articles for journal-based and audio CME, visuals, and more. Learn more
Social media channels such as Twitter, Facebook, and LinkedIn have been used as tools in health care research, opening new horizons for research on health-related topics (e.g., the use of mobile social networking in weight loss programs). While there have been efforts to develop ethical guidelines for internet-related research, researchers still face unresolved ethical challenges. This article investigates some of the risks inherent in social media research and discusses how researchers should handle challenges related to confidentiality, privacy, and consent when social media tools are used in health-related research.
The three most commonly used social media websites are Twitter, Facebook, and LinkedIn 1,3. These increasingly popular social networking sites are used by the public, professionals, and students to gather and share information. Among internet users in the United States, approximately 78 percent used social networking sites in 2016 4, and the sharing of information on these networks is changing communication patterns 5. Accordingly, social media websites are becoming valuable research tools, particularly in the area of health care 6.
Quiz Ref IDSocial media channels offer a number of opportunities for researchers to initiate studies on:
The impact of social networks on perceived social support (e.g., of patients with chronic diseases) 7
How social media users gather and exchange health-related information and share personal experiences 8,10
The spread of misinformation about disease outbreaks to inform public health communication strategies 11
Recruiting patients in clinical trials 12,13
The effect of social network media exposures on certain behaviors 14
The spread of public health-related information (e.g., cancer awareness) and the prevalence of certain behaviors (e.g., opioid misuse) 15,17.
Thus the use of social media websites as research tools can bring new insight and possibly enhance understanding of how health-related communities meet different needs 18.
Given the potential of social media websites as research tools, this article aims to investigate some of the associated risks and to discuss how researchers should handle these challenges when designing their research. This article particularly addresses confidentiality, privacy, and consent as they apply to internet research as well as ethical issues specific to social networking sites.
Quiz Ref IDWhile one may argue that regardless of the design and purpose of social media websites (channels) all information conveyed through social media should be considered public and therefore usable in research, such a generalization is incorrect and does not reflect the principles we follow in other types of research. The distinction between public and private online spaces can blur 19, and in some situations it is difficult to draw a line. Moreover, as discussed later, social media channels operate under different rules than research, and thus using these tools in research may raise a number of ethical concerns, particularly in health-related research 20,21.Good research practice fortifies high-quality science; ethical standards, including integrity; and the professionalism of those conducting the research. Importantly, it ensures the confidentiality and privacy of information collected from individuals participating in the research 22. Yet, in social media research, there are challenges to ensuring confidentiality, privacy, and informed consent.
Privacy. Quiz Ref IDCompared to face-to-face encounters, social media connections erase any geographical boundaries and make social cues of limited use. Depending on users' privacy settings, their personal profiles may be exposed to other users from other cultures, communities, and different walks of life who are included in the social network but are not known to them. Users might not even trust the other users who can view their profiles if they became aware of their connection. These automatic exposures inherent in social media networks arguably represent a real concern in regard to privacy 23. For example, Facebook's privacy settings are problematic because they are opaque and dependent on the user's self-education.
The concern about privacy is not just hypothetical. Researchers from the University of Otago Medical School in New Zealand surveyed young medical graduates regarding their use of Facebook; they found that a quarter of the doctors in the sample did not use the privacy options, rendering the information they revealed readily available to the wider public. As a result, they could violate the professional boundary between them and their patients (for example, by posting photos of their admitted patients without obtaining their permission) 24. While this study does not represent Facebook users as a whole, it does raise the important point that users might not be aware of or concerned about the privacy of their personal information on social media. The privacy options might not be protective as users think; the options provided by Facebook do not guarantee full privacy 25. The limitations in the system design could also pose challenges for researchers attempting to obtain valid consent.
Consent. Quiz Ref IDJoining a Facebook group gives permission to the entire group to access one's own information. Therefore, when friends join a Facebook group, they become able to access information available from all the others in the group 23—for example, a researcher can examine medical interns' adherence to professional behavior by monitoring their posts and activity. Using social media channels in research allows researchers to access and engage with network members without using mechanisms that ensure that consent is truly informed or provided 26.
The ethical problems associated with this practice are exemplified in a study that provided experimental evidence of the massive scale of emotional contagions propagated through the use of social media networks 27. The paper received extensive publicity because of the method used. The experiment involved manipulating Facebook users' newsfeeds, but the participants were not aware of their involvement in the research experiment and were not asked to give informed consent. The paper was published in the Proceedings of the National Academy of Sciences of the United States of America (PNAS) in 2014. The editor of the journal wrote an editorial defending the journal's decision to publish it, stating, “The authors noted in their paper, ‘[The work] was consistent with Facebook's Data Use Policy, to which all users agree prior to creating an account on Facebook, constituting informed consent for this research’” 28. Interestingly, the editor was aware from the corresponding author's submission that the work “was conducted by Facebook, Inc. for internal purposes” and that for this reason, the institutional review board at Cornell University, where the authors work, “determined that the project did not fall under Cornell's Human Research Protection Program,” which did not consider the project for ethical evaluation 28. The editor aimed to justify the journal's decision to accept the paper for publication in PNAS without its being ethically approved by an institutional ethical review body by explaining that the Common Rule (i.e., federal human subjects protections) does not preclude the use of data collected by a private company such as Facebook 28.
Quiz Ref IDAlthough the research was arguably unlikely to cause harm and the design helped the authors to come up with strong evidence for their research, scholars raised significant concerns about such a move. For example, Kleinsman and Buckley argued that the research was not ethical because it should have been overseen by an independent review body or ethical committee, and informed consent should have been obtained from participants 29. This example thus shows that there are different views about ethical concerns in relation to the use of social media in research.
In social media research, participants can be identified either directly or through the internet links related to the websites used, which arouses concerns about the definition of privacy in social media research and the need to evaluate each research study in context and on its own merits 30,34. Therefore, if the study enables the disclosure of subjects' responses or statements in a way that might reveal their identity or their place of residence or that exposes them to risks or potential harms (e.g., political, financial, social)—such as research using videos from the war in Syria—it must be approved by an institutional ethical research review committee. The risk in these situations is directed to a particular subject or a group of people whose identity is revealed through social media research 18,35.
Quiz Ref IDOther factors that should be taken into consideration in assessing a research project that uses social media websites may include the following:
The regulations and policies of the institutional ethical research review committee. Universities vary in their regulations regarding ethical approval of research. For example, some universities in Europe do not have policies regulating educational research or research covering social media. On the other hand, the ethical research review committees in other universities may require approval for any research involving social media 36.
The privacy statements of the social media websites (e.g., Facebook and Twitter) used in the research, including rights and responsibilities37,38.
The level of privacy in the settings offered by the social media website (e.g., Facebook). The Facebook profile security settings allow information to be shared to the public or only to friends. Such a system can limit the exposure of postings to the public. However, as stated earlier, any friend joining a group because he or she was accepted by one member in the group could look at the Timeline of others and receive such information. Many users do not even know how to use Facebook's privacy settings. In YouTube, the video privacy settings are different 39, and many videos on YouTube can be seen by and shared with anyone. As the differences between Facebook and YouTube illustrate, privacy measures vary across social media tools 40.
The magnitude of interaction. Research that necessitates interaction with members on a social media website should not be considered a low-risk project, and in the author's view, approval from an ethics research review committee is needed.
Quiz Ref IDIn all research that uses social media channels, researchers have to consider a number of ethical challenges that they might face. While the general principles of research apply to social media research, more attention should be given to specific issues related to social media. The following key issues should be considered as researchers prepare for using social media tools in health-related research:
The use of social media in research should be justified. Key questions that can help in reaching a conclusion about whether the research is justified are: Is social media the best tool to be used in conducting this research? And in what way is social media better than face-to-face data collection?
Social networking sites should be considered private spaces, and consent to participate in research should be obtained. Researchers should treat them as private even though they are not to ensure that privacy is maintained, particularly when subjects can be identified either directly or through the internet links related to the website included in the research. Therefore, recruitment of participants should be transparent, and there should be mechanisms by which participants can ask questions. It is important that researchers discuss consent electronically with participants before their enrollment.
Researchers should outline a plan to ensure the confidentiality of data collected. A key question is how researchers would ensure that data collected from participants is carried out on a secure site outside the social networking site. Closed forumsthat ensure confidentiality of discussion among participants for research purposes should be an integral part of the research design, particularly in health-related research using social media channels.
Is the project a potential source of harm? Participants are usually not aware that their contributions on social media websites are potentially accessible. Researchers have a responsibility to not directly or indirectly harm participants by what they expose in doing and publishing research. However, it may be difficult to identify “harm.” Researchers have to be thoughtful about any potential harm that their research might incur by being sensitive to the content extracted from social media websites, the degree and context of content exposure, and the authenticity of the material used.
With these recommendations in mind, every research study should be evaluated on its own merits by the ethical research review committee, and recommendations should be individualized accordingly.
Currently, there is growing interest in using social media platforms including Twitter, Facebook, and LinkedIn in health care research. However, as shown in this article, there are emerging ethical and professional concerns and risks inherent in social media research that should be carefully evaluated and addressed—particularly regarding confidentiality, privacy, and consent. While these issues present challenges to institutional ethical research review committees and researchers, to the author's knowledge, currently no US professional societies have issued guidelines or regulations addressing these rising ethical concerns. With the growing interest in health-related research using social media, the regulation of this area should be given priority. The author has listed four recommendations to be used as guiding principles in using social media in health care research.
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AMA Journal of Ethics
AMA J Ethics. 2017;19(11):1061-1069.
AMA CME Accreditation Information
The American Medical Association designates this journal-based CME activity for a maximum of 1.00 AMA PRA Category 1 Credit™. Physicians should claim only the credit commensurate with the extent of their participation in the activity.
Disclaimer: The viewpoints expressed in this article are those of the author(s) and do not necessarily reflect the views and policies of the AMA.
Samy A. Azer, MD, PhD, MEd, MPH is a professor of medical education and the chair of the curriculum development and research unit in the College of Medicine at King Saud University in Riyadh, Saudi Arabia. He is also a consultant gastroenterologist, an editor at BMC Medical Education, and a member of the editorial board of the World Journal of Gastroenterology.
Disclosure Statement: Unless noted, all individuals in control of content reported no relevant financial relationships.
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