2.4 Ethics — When Science Lost Its Conscience | Psychology 2e

This lesson explores how modern research ethics developed in response to some of history's most troubling scientific abuses — including the 40-year Tuskegee syphilis study. Covering Section 2.4 of Psychology 2e, we walk through the rules and oversight boards that now govern both human and animal research. By the end, you'll understand the hidden ethical machinery behind every psychology study you'll ever read. In this video: • The Tuskegee syphilis study (1932–1972): how 600 Black men were deceived and denied penicillin, and why it led to the National Research Act of 1974 • How Institutional Review Boards (IRBs) work: weighing scientific value against risk, enforcing informed consent, and requiring voluntary participation • The three pillars of informed consent: knowledge of risks, autonomy to withdraw at any time, and guaranteed data privacy • When and why deception is permitted in research — and the mandatory full debriefing that must follow • Why 90% of animal research in psychology uses rodents and birds as proxies for studies that would be unethical in humans • The Institutional Animal Care and Use Committee (IACUC): mandating humane treatment and conducting semi-annual facility inspections • Side-by-side comparison of IRB vs. IACUC: purpose, committee makeup, and core safeguards #OpenStax #Psychology #ResearchEthics #Tuskegee #IRB OpenStax Content adapted from "OpenStax Psychology 2e", by OpenStax licensed under CC BY 4.0. Content based on Web Version: Apr 23, 2026. Read the textbook online https://openstax.org/details/books/psychology-2e Music first girl talking to me. by ikkun (ex. Barradeen) | https://soundcloud.com/ikkunwastaken Royalty Free Music by https://www.free-stock-music.com Creative Commons / Attribution-ShareAlike 3.0 Unported (CC BY-SA 3.0) https://creativecommons.org/licenses/by-sa/3.0/deed.en_US