Stanford prison experiment: zimbardo, study in which college students became prisoners or guards in a simulated prison environment. Historical backgrounds: nuremberg war crimes trials, milgram"s obedience experiments, tuskegee syphilis experiments. Belmont report 1979: respect for persons, treating persons as autonomous agents & protecting their. Autonomy: beneficence, minimizing possible harms & maximizing benefits, justice, distributing benefits & risks of research fairly. Ethics: federal policy for the protection of human subjects, established regulations (1991) based on principles of the belmont. Ethical principles: achieving valid results, honesty and openness, protecting research participants, avoid harming research participants, obtain informed consent, avoid deception in research, except in limited circumstances, maintain privacy and confidentiality. Special populations: research with prisoners, prisoners under constraints (incarceration) that may affect ability to give consent. Important studies: sexual solicitation of adolescent study, q: how adult male chat room visitors react to children & Adolescents: wanted to determine whether age of child affected whether.