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Filler siphoning theory does not predict the effect of lineup fairness on the ability to discriminate innocent from guilty suspects : reply to Smith, Wells, Smalarz, and Lampinen
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Colloff, M. F., Wade, Kimberley A. , Strange, D. and Wixted, J. T. (2018) Filler siphoning theory does not predict the effect of lineup fairness on the ability to discriminate innocent from guilty suspects : reply to Smith, Wells, Smalarz, and Lampinen. Psychological Science . (In Press)
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WRAP-filler-siphoning-theory-predict-fairness-innocent-guilty-Wade-2018.pdf - Accepted Version - Requires a PDF viewer. Download (1108Kb) | Preview |
Abstract
Smith, Wells, Smalarz, and Lampinen (2017) claim that we (Colloff, Wade, & Strange, 2016) were wrong to conclude that fair lineups enhanced people’s ability to discriminate between innocent and guilty suspects compared to unfair lineups. They argue our results reflect differential-filler-siphoning, not diagnostic-feature-detection. But a manipulation that decreases identifications of innocent suspects more than guilty suspects (i.e., that increases filler-siphoning or conservative responding) does not necessarily increase people’s ability to discriminate between innocent and guilty suspects. Unlike diagnostic-feature-detection, fillersiphoning does not make a prediction about people’s ability to discriminate between innocent and guilty suspects. Moreover, we replicated Colloff et al.’s results in the absence of fillersiphoning (N=2,078). Finally, a model is needed to measure ability to discriminate between innocent and guilty suspects. Smith et al.’s model-based analysis contained several errors. Correcting those errors shows that our model was not faulty, and Smith et al.’s model supports our original conclusions.
| Item Type: | Journal Article | ||||
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| Subjects: | B Philosophy. Psychology. Religion > BF Psychology | ||||
| Divisions: | Faculty of Science > Psychology | ||||
| Library of Congress Subject Headings (LCSH): | Signal detection (Psychology), Eyewitness identification, Recognition (Psychology) | ||||
| Journal or Publication Title: | Psychological Science | ||||
| Publisher: | Wiley-Blackwell Publishing Ltd. | ||||
| ISSN: | 0956-7976 | ||||
| Official Date: | 17 May 2018 | ||||
| Dates: |
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| Date of first compliant deposit: | 18 May 2018 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | In Press | ||||
| Access rights to Published version: | Restricted or Subscription Access | ||||
| Related URLs: |
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