12.5 Prejudice and Discrimination — How Your Brain Engineers Bias | Psychology 2e

• Understand the video's focus on the psychological mechanics of human conflict and prejudice.
• Differentiate between stereotype (cognition), prejudice (affection), and discrimination (behavior).
• Examine historical instances of discrimination to see the funnel's real-world impact.
• Understand explicit (conscious) and implicit (unconscious) attitudes and their role in modern bias.
• Explore contemporary examples of implicit bias leading to discrimination based on race, gender, and age.
• Learn how the brain actively manipulates reality to validate existing stereotypes.
• Understand how identity formation and ego defense mechanisms drive 'us vs. them' mentalities.
• Discover tangible interventions like intergroup contact and imagined interactions to reduce prejudice.
• Synthesize the concepts and learn how to consciously interrupt the cycle of bias.
• Up next in “Psychology 2e — Full Course (OpenStax) | Intro Psychology Lectures”12.6 Aggression — Why We Hurt Each Other and Watch | Psychology 2e

This lesson breaks down the psychological machinery behind prejudice and discrimination, tracing how the brain's automatic sorting process — cataloguing strangers by race, gender, and age — can quietly escalate from a cognitive shortcut all the way to real-world harm. Drawing on Section 12.5 of Psychology 2e, the discussion unpacks the distinct roles of stereotypes, prejudice, and discrimination and examines how modern biases operate both consciously and beneath the surface. Historical examples, landmark studies, and everyday scenarios make the concepts concrete and personally relevant. In this video: • The stereotype–prejudice–discrimination funnel: how a cognitive shortcut gains emotional charge and becomes behavioral action • Mary Whiton Calkins and Harvard's denial of her PhD — a case study in stereotypes overriding empirical evidence • The dual attitudes model: why explicit attitudes appear egalitarian while implicit attitudes reveal mild-to-strong bias in nearly everyone • Modern racism in practice: 'driving while Black,' ID checks for Latino shoppers, and the East Haven mayor's taco comment • The double bind of sexism: how female job applicants are penalized whether they self-promote or stay modest (Rudman, 1998) • Bi-directional ageism: stereotypes harm both workers over 50 (Chang et al., 2020) and younger workers (Raymer et al., 2017) • Self-fulfilling prophecy and confirmation bias: the two mechanisms that lock stereotypes in place — and how imagined intergroup contact (Crisp & Turner, 2009) can disrupt them #OpenStax #Psychology #Prejudice #SocialPsychology #ImplicitBias 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