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Expert Testimony on the Psychology of Eyewitness Identification$
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Brian L. Cutler

Print publication date: 2009

Print ISBN-13: 9780195331974

Published to Oxford Scholarship Online: September 2009

DOI: 10.1093/acprof:oso/9780195331974.001.0001

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PRINTED FROM OXFORD SCHOLARSHIP ONLINE (oxford.universitypressscholarship.com). (c) Copyright Oxford University Press, 2021. All Rights Reserved. An individual user may print out a PDF of a single chapter of a monograph in OSO for personal use. date: 28 November 2021

Limitations of Expert Psychology Testimony on Eyewitness Identification

Limitations of Expert Psychology Testimony on Eyewitness Identification

Chapter:
(p.201) 9 Limitations of Expert Psychology Testimony on Eyewitness Identification
Source:
Expert Testimony on the Psychology of Eyewitness Identification
Author(s):

Heather D. Flowe

Kristin M. Finklea

Ebbe B. Ebbesen

Publisher:
Oxford University Press
DOI:10.1093/acprof:oso/9780195331974.003.009

This chapter examines the limitations of psychological testimony on eyewitness identification. In generalizing from laboratory research to actual cases, consideration must be given to several issues, including 1) the extent to which the procedures or psychological processes that instantiate variables in the laboratory occur outside of the laboratory; 2) whether the background conditions of laboratory studies are diverse enough to warrant gross application; 3) whether testifying about a given factor provides incremental validity over traditional safeguards; and 4) whether real world and laboratory eyewitnesses are comparable. The chapter also questions whether experts should include DNA exoneration cases in their testimony.

Keywords:   external validity, expert psychological testimony, eyewitness memory, judicial safeguards, ecological validity, eyewitness testimony

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