A norm of voluntary participation is presumed in all sociological research projects. In other words, we cannot force anyone to participate in our research without that person’s knowledge or consent (so much for that Truman Show experiment). Researchers must therefore design procedures to obtain subjects’ informed consent to participate in their research. Informed consent is defined as a subject’s voluntary agreement to participate in research based on a full understanding of the research and of the possible risks and benefits involved. Although it sounds simple, ensuring that one has actually obtained informed consent is a much more complex process than you might initially presume.
The first requirement is that, in giving their informed consent, subjects may neither waive nor even appear to waive any of their legal rights. Subjects also cannot release a researcher, his or her sponsor, or institution from any legal liability should something go wrong during the course of their participation in the research (US Department of Health and Human Services, 2009). 1 Because sociological research does not typically involve asking subjects to place themselves at risk of physical harm by, for example, taking untested drugs or consenting to new medical procedures, sociological researchers do not often worry about potential liability associated with their research projects. However, their research may involve other types of risks. For example, what if a sociological researcher fails to sufficiently conceal the identity of a subject who admits to participating in a local swinger’s club, enjoying a little sadomasochistic activity now and again or violating her marriage vows? While the law may not have been broken in any of these cases, the subject’s social standing, marriage, custody rights, or employment could be jeopardized were any of these tidbits to become public. This example might seem rather extreme, but the point remains: even sociologists conduct research that could come with some very real legal ramifications.
Beyond the legal issues, most institutional review boards (IRBs) require researchers to share some details about the purpose of the research, possible benefits of participation, and, most importantly, possible risks associated with participating in that research with their subjects. In addition, researchers must describe how they will protect subjects’ identities, how and for how long any data collected will be stored, and whom to contact for additional information about the study or about subjects’ rights. All this information is typically shared in an informed consent form that researchers provide to subjects. In some cases, subjects are asked to sign the consent form indicating that they have read it and fully understand its contents. In other cases, subjects are simply provided a copy of the consent form and researchers are responsible for making sure that subjects have read and understand the form before proceeding with any kind of data collection. "Figure 3.1" contains a sample informed consent form taken from a research project on child-free adults. Note that this consent form describes a risk that may be unique to the particular method of data collection being employed: focus groups.
One last point to consider when preparing to obtain informed consent is that not all potential research subjects are considered equally competent or legally allowed to consent to participate in research. These subjects are sometimes referred to as members of vulnerable populations, people who may be at risk of experiencing undue influence or coercion. 2
The rules for consent are more stringent for vulnerable populations. For example, minors must have the consent of a legal guardian in order to participate in research. In some cases, the minors themselves are also asked to participate in the consent process by signing special, age-appropriate consent forms designed specifically for them. Prisoners and parolees also qualify as vulnerable populations. Concern about the vulnerability of these subjects comes from the very real possibility that prisoners and parolees could perceive that they will receive some highly desired reward, such as early release, if they participate in research. Another potential concern regarding vulnerable populations is that they may be underrepresented in research, and even denied potential benefits of participation in research, specifically because of concerns about their ability to consent. So on the one hand, researchers must take extra care to ensure that their procedures for obtaining consent from vulnerable populations are not coercive. And the procedures for receiving approval to conduct research on these groups may be more rigorous than that for nonvulnerable populations. On the other hand, researchers must work to avoid excluding members of vulnerable populations from participation simply on the grounds that they are vulnerable or that obtaining their consent may be more complex. While there is no easy solution to this double-edged sword, an awareness of the potential concerns associated with research on vulnerable populations is important for identifying whatever solution is most appropriate for a specific case.
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