PSYC 2650 Study Guide - Midterm Guide: Handsfree, Change Blindness

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Document Summary

Driving and conversing on hands-free cell phone (dual task) Twice as likely to recognize roadway signs in single task condition than in dual task condition. Car following paradigm event-related potential (erp) elicited by the onset of pace car"s brake light. Erp reduced by 50% when drivers were talking on the phone. Task: drive and exit at rest stop. Only 50% of drivers on hands free cell phone completed task successfully. Implications: passengers adjust conversation based on driving difficulty. Passengers can pause conversation or help driver navigate. Failure to detect changes in the presence, identity, or location of objects. Strongest when people don"t expect changes to occur. Door study -- ~50% of people didn"t realize when the person they were talking to was replaces as the door passed by.