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https://hdl.handle.net/2440/136724
Type: | Conference paper |
Title: | Using Measurement Models to Understand Eyewitness Identification |
Author: | Kaesler, M.P. Dunn, J. Semmler, C. |
Citation: | Proceedings of the 39th Annual Meeting of the Cognitive Science Society: Computational Foundations of Cognition (CogSci 2017), 2017 / Gunzelman, G., Howes, A., Tenbrik, T., Davelaar, E. (ed./s), pp.625-630 |
Publisher: | Cognitive Science Society |
Publisher Place: | USA |
Issue Date: | 2017 |
ISBN: | 9780991196760 |
Conference Name: | 39th Annual Meeting of the Cognitive Science Society (CogSci) (26 Jul 2017 - 29 Jul 2017 : London, UK) |
Editor: | Gunzelman, G. Howes, A. Tenbrik, T. Davelaar, E. |
Statement of Responsibility: | Matthew Kaesler, John Dunn, Carolyn Semmler |
Abstract: | Much research effort has been expended improving police lineup procedures used in collecting eyewitness identification evidence. Sequential presentation of lineup members, in contrast to simultaneous presentation, has been posited to increase witness accuracy, though analyses based in Signal Detection Theory (SDT) have challenged these claims. A possible way to clarify the effect of presentation format on witness accuracy is to develop SDT-based measurement models, which characterise decision performance in terms of psychologically-relevant parameters, particularly discriminability and response bias. A model of the sequential lineup task was developed with a “first-above-criterion” decision rule, alongside a simultaneous model with a “maximum familiarity” decision rule. These models were fit to a corpus of data comparing simultaneous and sequential lineup performance. Results showed no difference in discriminability between the procedures and more conservative responding for the sequential lineup. Future work will examine criterion setting in the sequential lineup and model alternative decision rules. |
Keywords: | Eyewitness identification; Signal Detection; memory |
Rights: | Copyright status unknown |
Grant ID: | http://purl.org/au-research/grants/arc/DP160101048 |
Published version: | https://cogsci.mindmodeling.org/2017/papers/0126/index.html |
Appears in Collections: | Psychology publications |
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