Which ethical principles underpin informed consent in psychology research?

• A. Protection of confidentiality only.
• B. Respect for persons, informed decision-making, voluntary participation, and safeguarding confidentiality and welfare; special protections apply to vulnerable groups.
• C. Researchers’ discretion and scientific merit.
• D. Compensation of participants is the primary ethical requirement.

Answer: (B)

Informed consent in psychology research is grounded in treating participants as autonomous decision-makers and protecting their well-being throughout the study. This means several pieces come together. Respect for persons is about recognizing that people have the right to decide for themselves whether to take part. Informed decision-making requires that researchers provide clear, comprehensive information about what the study involves, including its purpose, procedures, potential risks and benefits, and any alternatives, so participants can evaluate whether to participate with understanding. Voluntary participation ensures that choosing to participate is free from coercion, pressure, or undue influence. Safeguarding confidentiality and welfare means protecting participants’ privacy, handling data securely, and minimizing any risks to their safety. Special protections apply to vulnerable groups, such as children or individuals with limited autonomy, to add safeguards beyond standard procedures.

These elements together show why the correct option is the best fit: it captures autonomy, informed choice, voluntariness, confidentiality, welfare, and extra protections for those who are more vulnerable. Other options focus only on one aspect, like confidentiality alone, or misplace emphasis on researcher discretion or compensation, which do not address the comprehensive, rights-based framework that informed consent relies on.