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A hybridization of simultaneous and sequential lineups reveals diagnostic features of both traditional procedures

Description: This study investigated a hybridization of simultaneous and sequential procedures to facilitate eyewitness identifications. The slideshow procedure presented photos to participants in a cycling loop, allowing them to view photos multiple times, but always one-at-a-time. We hypothesized allowing witnesses to view all photos without directly comparing them would increase correct identifications and correct non-identifications. Simultaneous presentation led to the most correct identifications, while sequential presentation led to the most correct non-identifications. The hybridization reduced both types of correct response and failed to support our hypothesis. The hybridization appears to promote guessing rather than conservative responding. Receiver operating characteristic (ROC) analysis revealed simultaneous advantage when making identifications, but sequential advantage when making non-identifications. We conclude that performing ROC analysis of both identifications and non-identifications may reveal the same interaction noted between perpetrator presence and lineup modality when analyzing identification decisions.

Suggested Citation:
Terrell, J. T., Baggett, A. R., Dasse, M. N., & Malavanti, K. F. (2017). A hybridization of simultaneous and sequential lineups reveals diagnostic features of both traditional procedures [Electronic Version]. Applied Psychology in Criminal Justice, 13(1), 96-109.

Keywords: eyewitness identification, simultaneous vs. sequential, ROC analysis, lineup hybridization, probative value

Date: May 18, 2017 | File Size: 442.91 Kb | Downloads: 142

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