In an experimental study, a control group consists of participants who do not receive the experimental treatment or manipulation. This group serves as a baseline to compare against the experimental group, allowing researchers to determine if the treatment was effective. In clinical research, if a treatment is found to be beneficial, the ethical principle of seeking justice dictates that participants in the control group should be offered the treatment after the study concludes to ensure fair distribution of benefits.

Control Group in Research

The Tuskegee syphilis study, conducted by the US Public Health Service from 1932 to 1972, is a tragic historical example of extreme injustice in scientific research. The study involved poor African American men in Alabama who were misled into believing they were receiving treatment for 'bad blood' while actually being observed for the untreated progression of syphilis. The researchers deliberately denied the men treatment even after penicillin became the standard cure, clearly violating the ethical mandate to treat participants fairly and highlighting the urgent need to protect marginalized groups from disproportionate research risks. The profound betrayal of these men was formally acknowledged in 1997 when President Bill Clinton issued a public apology on behalf of the US government, emphasizing how the participants had been exploited without their knowledge or consent.

Tuskegee Syphilis Study

In the context of scientific research, what does the moral principle of seeking justice primarily require?

The moral principle of seeking justice requires researchers to treat all individuals fairly and ensure an equitable distribution of both the risks and benefits associated with scientific research. On an individual level, this means fairly compensating participants and offering effective treatments to control groups at the study's conclusion. On a broader societal level, it demands that historically marginalized or vulnerable populations—such as institutionalized individuals, disabled people, or ethnic minorities—do not bear a disproportionate burden of research risks, a standard established in response to past historical atrocities.

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When evaluating the ethics of psychological research, investigators rely on four widely accepted moral principles: weighing risks against benefits, acting with integrity, seeking justice, and respecting people's rights and dignity. Because essentially everyone agrees on these fundamental ideas, they serve as a universally accepted starting point for assessing how a study impacts research participants, the scientific community, and society at large.

Moral Principles of Scientific Research

Published in 1978, the Belmont Report is a set of federal guidelines in the United States that was prompted by concerns over the Tuskegee study and other ethical violations. It explicitly recognized three core moral principles for research: seeking justice (distributing risks and benefits fairly), respect for persons (acknowledging autonomy and requiring informed consent), and beneficence (maximizing benefits while minimizing harms). This report became the foundation for federal regulations regarding human subjects.

Belmont Report

https://kpu.pressbooks.pub/psychmethods4e/

KPU Research Methods in Psychology - 4th American Edition

The moral principle of acting responsibly and with integrity demands that researchers conduct their studies competently, truthfully, and thoroughly. Maintaining this integrity is crucial because it fosters essential trust among participants, the scientific community, and society at large. Participants rely on researchers to be honest, fulfill promises like ensuring confidentiality, and minimize potential harm. Violating this trust, such as by conducting incompetent research or reporting dishonestly, can waste scientific resources and lead to severe societal harm.

Acting Responsibly and with Integrity

Seeking Justice

Ethical conflict in psychological research is largely unavoidable because very few studies are completely risk-free. Researchers constantly face difficult tradeoffs where a study might benefit one group, such as the scientific community, while posing risks to another, like the research participants. Additionally, adhering strictly to moral principles like absolute truthfulness can sometimes make it impossible to conduct scientifically valid research on critical topics. Because these conflicts cannot always be eliminated, researchers must manage them constructively by thoroughly evaluating ethical issues, actively minimizing risks, and taking responsibility for their methodological decisions.

Unavoidable Ethical Conflict

A foundational moral principle in psychological research is that a study is only ethical if its potential benefits outweigh its risks. This ethical evaluation can be challenging, as the risks and benefits are often not directly comparable and may affect different groups; for instance, a study might pose significant risks to the research participants while offering substantial benefits primarily to the scientific community or society.

Weighing Risks Against Benefits

The moral principle of respecting people's rights and dignity mandates that researchers honor all participants as human beings possessing fundamental rights. Two critical elements of this principle are respecting individuals' autonomy—their right to make independent, uncoerced choices, which is operationalized through informed consent—and respecting their privacy, which involves safeguarding their personal information through confidentiality or anonymity.

Respecting People's Rights and Dignity

While researchers generally agree on broad moral principles, they can still disagree on how to apply those principles to specific situations that arise during studies. To address these disagreements and provide clear, actionable guidance on frequent ethical issues, professional organizations establish detailed and enforceable ethics codes.

Ethics Codes

Which of the following correctly identifies the four widely accepted moral principles that investigators rely on when evaluating the ethics of psychological research?

The Federal Policy for the Protection of Human Subjects is a set of laws based on the Belmont Report. These regulations apply to all research that is conducted, supported, or regulated by the United States federal government. An extremely important mandate of this policy is the requirement for institutions receiving federal support to establish an institutional review board to evaluate research protocols.

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