PSYC 100 Lecture Notes - Philip Zimbardo, Social Loafing, Cockroach

• School: Queen's University
• Department: Psychology
• Course: PSYC 100
• Professor: Erica Refling

Document Summary

The nature of groups: group living is an important part of human evolutionary history, increased safety, cooperation, help childrearing, definition of a group: Two or more people who interact and are interdependent (shared goals cause them to rely on one another) Groups and performance: how does the presence of others affect performance, triplett (1897-1898) Examined bicycle competition times for those alone and with. Cockroach studies on social facilitation: cockroaches run away from lights, two independent variables: Social condition: alone vs. with another cockroach vs. with an. Poor group coordination: ingham et al. (1974) All participants blind-folded and told to pull rope as hard as they could. Thought they were pulling with others (which they weren"t) Thought they were pulling alone (which they were) Results: pulled ~20% harder when pulling alone. Believe own efforts necessary for successful outcome. Group expects to be punished for poor outcome.