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Eyewitness Memory and Eyewitness Identification Performance in Adults with Intellectual Disabilities

Eyewitness Memory and Eyewitness Identification Performance in Adults with Intellectual Disabilities Background Since individuals with intellectual disabilities are often the only witnesses to alleged crimes, it is important to know their capacity to provide eyewitness testimony. Methods Twenty‐two participants with intellectual disabilities and 23 comparison group participants had their photographs taken by a confederate. One to two weeks following the photography session, participants were interviewed about the event and were asked to identify the photographer. Two misleading questions, to test for suggestibility, were asked at the end of the interview. Results Comparison group participants performed significantly better than participants with intellectual disabilities with a target‐present lineup, but no significant differences were found between participant groups with a target‐absent lineup. Comparison group participants performed significantly better than chance with the target‐absent lineup, but participants with intellectual disabilities did not. In the interview, participants with intellectual disabilities provided significantly fewer details than comparison group participants, and the details provided by both groups were mainly accurate. Participants with intellectual disabilities were significantly more likely to acquiesce to one of the suggestive questions than comparison group participants, but the two participant groups did not differ in likelihood of acquiescence for the other suggestive question. Conclusions It seems that individuals with intellectual disabilities may make adequate witnesses if they are interviewed in a non‐leading manner. Future research should examine methods to improve their eyewitness identification performance. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Applied Research in Intellectual Disabilities Wiley

Eyewitness Memory and Eyewitness Identification Performance in Adults with Intellectual Disabilities

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References (51)

Publisher
Wiley
Copyright
© 2008 The Authors. Journal compilation 2008 Blackwell Publishing Ltd
ISSN
1360-2322
eISSN
1468-3148
DOI
10.1111/j.1468-3148.2008.00425.x
Publisher site
See Article on Publisher Site

Abstract

Background Since individuals with intellectual disabilities are often the only witnesses to alleged crimes, it is important to know their capacity to provide eyewitness testimony. Methods Twenty‐two participants with intellectual disabilities and 23 comparison group participants had their photographs taken by a confederate. One to two weeks following the photography session, participants were interviewed about the event and were asked to identify the photographer. Two misleading questions, to test for suggestibility, were asked at the end of the interview. Results Comparison group participants performed significantly better than participants with intellectual disabilities with a target‐present lineup, but no significant differences were found between participant groups with a target‐absent lineup. Comparison group participants performed significantly better than chance with the target‐absent lineup, but participants with intellectual disabilities did not. In the interview, participants with intellectual disabilities provided significantly fewer details than comparison group participants, and the details provided by both groups were mainly accurate. Participants with intellectual disabilities were significantly more likely to acquiesce to one of the suggestive questions than comparison group participants, but the two participant groups did not differ in likelihood of acquiescence for the other suggestive question. Conclusions It seems that individuals with intellectual disabilities may make adequate witnesses if they are interviewed in a non‐leading manner. Future research should examine methods to improve their eyewitness identification performance.

Journal

Journal of Applied Research in Intellectual DisabilitiesWiley

Published: Nov 1, 2008

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