PSY 250 Lecture Notes - Lecture 15: Roger Wolcott Sperry, Handsfree, Daniel Kahneman
16 Sep 2018
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Subjects performed tasks for a high or low reward. Results: task difficulty, not reward, predicted the effort. The task is to detect when the double jumps occur on the clock by pressing a button. Typically, mackworth"s participants would do this task for two hours. Results: performance declines dramatically in first hour to. Stimulated driving with & without cell phone use. Results: four-fold increase in risk of accident while using cell phone. Additional risk if conversation is very interesting. Strayer & drews (2006) hands-free cell phone use. Driving performance with handheld phone vs hands-free. Results: equal effect- 17% decrease in performance. Conversation with passenger not a major distraction when the person is present. Causes 25% of car accidents (1. 6 million/yr) Leading cause of death among us teenagers- 11 teen deaths every day. 23x more likely to crash while texting. 6x more dangerous than driving while intoxicated. Subjects asked to count passes between players wearing white.
