Eyewitness

Eyewitness - perpetrator o Limited time, exposure to put...

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Two types of trials Criminal trial o Any reasonable doubt as to the guilt of the defendant, the law necessitates acquittal Civil Trial o Defendant can be guilty of charges if it is more likely than not that s/he is guilty Jury Selection Challenge for cause o Some disqualification that renders the person incompetent or incapable of making a fair biased evaluation for removal; reason is required and explicit Peremptory challenge o Removal of a limited number of prospective jurors without giving a reason, not is reason required Death qualification o Prospective jurors who would NOT vote for the death penalty can be excused from cases involving capital punishment crimes Power of persuasive eyewitness In cases with no eyewitness testimony the conviction rate is only 18%; with eyewitness testimony the rate skyrockets to 72% Acquisition o When eyewitness paying attention to all the peripheral, trivial details of a situation, research finds that the eyewitness is less likely to remember important details regarding the
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Unformatted text preview: perpetrator o Limited time, exposure to put characteristics in memory; distracted by the trivial o High levels of stress can impair memory o Poor viewing conditions -> not taken into account by jurors o Weapons focus effect Presense of a weapon draws attention and impairs a witnesss ability to identify a culprit Identification less likely Weapons focus effect Slides of customers approaching tellers IV: gun or checkbook DV: eye movement and accuracy identifications Spent more time looking at the gun and less likely to identify person in a lineup o Own race bias People are better at identifying own race More errors when people of different race People usually have less experience with features that characterize individuals of other races, they find it more difficult to tell members of that race apart Contact hypothesis Individuating versus distinguishing features...
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This note was uploaded on 03/16/2011 for the course PSYCH 12 taught by Professor Stock during the Fall '10 term at GWU.

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Eyewitness - perpetrator o Limited time, exposure to put...

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