alexa Meta-Analysis of Facial Identification Studies


Journal of Psychological Abnormalities

Author(s): Steve Penrod

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Presents a meta-analysis of 128 eyewitness identification and facial recognition studies involving 960 experimental conditions and 16,950 Ss. The meta-analysis was designed to determine what knowledge has been accumulated on factors that influence facial identification performance and what areas of facial identification research would benefit from further research. Two techniques were used: an effect size analysis, which integrates the effect sizes of independent variables across studies, and a study-characteristics analysis, which integrates the influence of study characteristics on performance. A number of variables operating at the encoding and retrieval stages yielded large effects on performance. These variables included context reinstatement, transformations in the appearance of faces, depth of processing strategies, target distinctiveness, and elaboration at encoding. Additional variables yielding strong effects on recognition performance were exposure time, cross-racial identification, and retention interval. There was little correspondence between a variable's impact on hit rate and false-alarm rate. A list of the studies used in the meta-analysis is appended. (49 ref) (PsycINFO Database Record (c) 2012 APA, all rights reserved)

This article was published in Psychological Bulletin and referenced in Journal of Psychological Abnormalities

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