Psychology 1000 Lecture Notes - Lecture 13: Henri Tajfel, Space Shuttle Challenger Disaster, Fishing Reel

• School: Western University
• Department: Psychology
• Course: Psychology 1000
• Professor: Dr.Mike

Document Summary

Allport: cyclists cycled faster if there is a competitor, fishing reel task, mere presence of others facilitates performance, but others report social inhibition, presence of others decreases performance. Drive theory: presence of others (audience or co-actors) 2: tendency to perform dominant response (whatever you need to do) Increased motivation or arousal: correct improved performance facilitation, performance of. Incorrect impaired performance inhibition: acquisition of novel response or complex task inhibition b. Presence of others creates anticipation of positive or negative outcomes. Plus, you can observe the effect in chickens, rats, fish, and cockroaches. Has to be member of the same species. Mere exposure is sufficient to generate an effect, but stronger for evaluation exposure. Groups can easily make worse decisions than individuals. Excessive optimism we can"t go wrong: self-censorship. Some members prevent the group from hearing dissenting views. Although 100% failure rate was detected, no one informed the mission controller. Both negative and unjustified no reason, reason is group membership.