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Stereotypes, Prejudice, and Discrimination: What's the Difference?

Jun 20, 2025

Overview

This lecture explains the differences between the psychological concepts of stereotypes, prejudice, and discrimination, using the "ABCs" model: Affect, Behavior, and Cognition.

The ABCs Framework in Psychology

  • The ABCs stand for Affect (feelings), Behavior (actions), and Cognition (thoughts/beliefs).
  • Each term—prejudice, discrimination, stereotype—maps to one component of the ABCs.

Prejudice: Affect/Attitude

  • Prejudice refers to positive or negative attitudes toward a social group.
  • It is typically associated with negative feelings, but can also be positive (e.g., "I love Canadians").
  • Prejudice is the "affect" or "attitude" component of ABCs.

Discrimination: Behavior

  • Discrimination is treating someone differently based on their group membership.
  • It reflects biased actions, such as tipping white waiters more than Black waiters.
  • Discrimination is the "behavior" component of ABCs.

Stereotypes: Cognition/Belief

  • Stereotypes are beliefs or assumptions about the characteristics of a group.
  • Example: believing "librarians are old" or "Canadians are always smiling."
  • Stereotypes are the "cognition" or "belief" component of ABCs.

How the Concepts Interact

  • Stereotypes, prejudice, and discrimination are often related but do not always co-occur.
  • One can have stereotypes without prejudice or discrimination, and vice versa.
  • Psychologists study when these concepts align and when they do not to understand social behavior better.

Practice: Identifying Terms

  • "Librarians are old" and "Teenagers don't work hard" are stereotypes (beliefs).
  • "I hate gamers" and "I love southerners" are examples of prejudice (attitudes).

Key Terms & Definitions

  • Affect — Emotional feelings or moods.
  • Prejudice — Positive or negative overall attitude toward a social group.
  • Behavior — Observable actions or treatment of others.
  • Discrimination — Biased behavior toward people based on group membership.
  • Cognition — Mental processes involving thoughts and beliefs.
  • Stereotype — Generalized beliefs or expectations about a social group.

Action Items / Next Steps

  • Review the definitions and differences between stereotype, prejudice, and discrimination.
  • Practice identifying examples of each in everyday situations.