Eyewitness Accuracy Rates in Police Showup and Lineup Presentations: A Meta-Analytic Comparison |
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Authors: | Steblay Nancy Dysart Jennifer Fulero Solomon Lindsay R.C.L. |
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Affiliation: | (1) Department of Psychology, Augsburg College, Minneapolis, Minnesota;(2) Department of Psychology, Queen's University, Kingston, Ontario, Canada;(3) Department of Psychology, Sinclair College, Dayton, Ohio;(4) Department of Psychology, Queen's University, Kingston, Ontario, Canada |
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Abstract: | Meta-analysis is used to compare identification accuracy rates in showups and lineups. Eight papers were located, providing 12 tests of the hypothesis and including 3013 participants. Results indicate that showups generate lower choosing rates than lineups. In target present conditions, showups and lineups yield approximately equal hit rates, and in target absent conditions, showups produce a significantly higher level of correct rejections. False identification rates are approximately equal in showups and lineups when lineup foil choices are excluded from analysis. Dangerous false identifications are more numerous for showups when an innocent suspect resembles the perpetrator. Function of lineup foils, assessment strategies for false identifications, and the potential impact of biases in lineup practice are suggested as additional considerations in evaluation of showup versus lineup efficacy. |
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Keywords: | eyewitness lineup showup meta-analysis |
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