PSY 450 Lecture Notes - Lecture 14: Group Conflict, Risk Aversion, Decision-Making

• School: University of Oregon
• Department: Psychology
• Course: PSY 450
• Professor: Pranjal Mehta

Document Summary

Signaling theory risk taking behavior may function to signal higher status perhaps to impress others through risk taking. Played 15 rounds of rock paper scissors for real money, collected saliva samples, completed financial risk taking task: 26% rise in testosterone. No testosterone changes between winners and losers, no differences in risk taking between winners and losers: risk aversion resulted in a higher score on graph, smaller score meant more risk. Cortisol (cid:272)o(cid:374)(cid:272)e(cid:374)tratio(cid:374)s (cid:449)ere highest a(cid:374)d (cid:373)ost (cid:448)aria(cid:271)le (cid:449)he(cid:374) a trader"s profits (cid:449)ere highly volatile more stressful. Decision making in groups: group cohesion: optimal decision making in interdependent tasks, group conflict, groups collectively low in cortisol and high in testosterone performed best often more cohesive.