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Law Hum Behav. 2009 Jun;33(3):225-36. doi: 10.1007/s10979-008-9134-z. Epub 2008 Jul 3.

The impact of eyewitness expert evidence and judicial instruction on juror ability to evaluate eyewitness testimony.

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School of Psychology, University of New South Wales, NSW, Australia.


It has been argued that psychologists should provide expert evidence to help jurors discriminate between accurate and inaccurate eyewitness identifications. In this article we compare the effects of judicial instruction with expert evidence that is either congruent or incongruent with the ground truth, focusing on juror ability to evaluate "real" eyewitness evidence. In contrast to studies which have employed "fictional" eyewitness designs, we found no appreciable effect of either congruent or incongruent expert evidence on participant-juror sensitivity to eyewitness accuracy. We discuss the role of methodology on the inferences and conclusions that can be made regarding the impact of eyewitness expert evidence.

[Indexed for MEDLINE]

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