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p151_ch16_law_post - Psychology 151 Chapter 16 Social...

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1 Psychology 151 5/27/2009 Chapter 16: Chapter 16: Social Psychology & the Law Applied Social Psychology Social psychological theories & methods can be used to address social issues & problems. Basic research : deals primarily w/ theoretical issues. Applied research : primarily addresses specific real-world problems. EYEWITNESS TESTIMONY • www.innocenceproject.org 238 cases in which DNA evidence exonerated someone. 12 years in prison In 75%+ of these cases, the conviction was based on faulty eyewitness identification. Unfortunately, jurors tend to overestimate the accuracy of eyewitnesses. 77,000 people per year charged w/ crimes based solely on eyewitness testimony (Goldstein et al., 1989) Lindsay et al (1981): P’s witness theft; Testimony videotaped IV: Viewing conditions (12-20 s, cap) DVs: Eyewitness accuracy, “Jurors” believing testimony Why Are Eyewitnesses Often Wrong? 3 Stages of Memory: Acquisition Storage Retrieval Source of image: Microsoft Office Online. Why Are Eyewitnesses Often Wrong? Acquisition When eyewitnesses are the victims of a crime 1. Stress = worse memory 2. Weapons-focus Source of image: Microsoft Office Online.
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