Faces in Motion: Age‐Related Changes in Eyewitness Identification Performance in Simultaneous, Sequential, and Elimination Video Lineups

University of Leicester, Leicester, UK
Applied Cognitive Psychology (Impact Factor: 1.67). 12/2011; 26(1):149 - 158. DOI: 10.1002/acp.1808

ABSTRACT The identification performance of children (5 to 6 years, n = 180; 9 to 10 years, n = 180) and adults (n = 180) was examined using three types of video lineup procedures: simultaneous, sequential and elimination. Participants viewed a videotaped staged theft and then attempted to identify the culprit from a target-present or target-absent video lineup. Correct identifications in simultaneous and elimination video lineups did not differ as a function of age. The sequential video lineup was associated with a reduction in correct identifications for both child groups compared with adults. With respect to the target-absent lineup condition, the video elimination lineup was associated with an increase in correct rejection rates for adult witnesses. Age was also significantly associated with accuracy. Differences in correct rejection rates were observed between adults and children and also between the two child groups. Implications and future directions are discussed. Copyright © 2011 John Wiley & Sons, Ltd.

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    ABSTRACT: Although the sequential lineup has been proposed as a means of protecting innocent suspects from mistaken identification, little is known about the importance of various aspects of the procedure. One potentially important detail is that witnesses should not know how many people are in the lineup. This is sometimes achieved by backloading the lineup so that witnesses believe that the lineup includes more photographs than it actually does. This study aimed to investigate the effect of backloading on witness decision making. A large sample (N = 833) of community-dwelling adults viewed a live "culprit" and then saw a target-present or target-absent sequential lineup. All lineups included 6 individuals, but the participants were told that the lineup included 6 photographs (nonbackloaded condition) or that the lineup included 12 or 30 photographs (backloaded conditions). The suspect either appeared early (Position 2) or late (Position 6) in the lineup. Innocent suspects placed in Position 6 were chosen more frequently by participants in the nonbackloaded condition than in either backloaded condition. Additionally, when the lineup was not backloaded, foil identification rates increased from Positions 3 to 5, suggesting a gradually shifting response criterion. The results suggest that backloading encourages participants to adopt a more conservative response criterion, and it reduces or eliminates the tendency for the criterion to become more lenient over the course of the lineup. The results underscore the absolute importance of ensuring that witnesses who view sequential lineups are unaware of the number of individuals to be seen. (PsycINFO Database Record (c) 2012 APA, all rights reserved).
    Journal of Experimental Psychology Applied 08/2012; · 1.75 Impact Factor

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