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  • The influence of lawyers' questions on witness accuracy, confidence and reaction times and on mock-jurors' interpretation of witness accuracy

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    Author(s)
    Kebbell, Mark R
    Evans, Laura
    Johnson, Shane D
    Griffith University Author(s)
    Kebbell, Mark R.
    Year published
    2010
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    Abstract
    Two studies demonstrate the influence of lawyers' complex questions on mock-witness accuracy, confidence, and reaction times and on the interpretation of witness accuracy by mock jurors. In study one, 32 mock witnesses were shown a short film and then questioned either with lawyers' complex questions or simple alternatives. In Study 2, 20 mock jurors viewed video footage of the mock witnesses assigned to each of the two previous conditions and were asked to rate their confidence in the witnesses' answers. The findings of the two studies indicated that lawyers' use of confusing questions reduce not only accuracy but ...
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    Two studies demonstrate the influence of lawyers' complex questions on mock-witness accuracy, confidence, and reaction times and on the interpretation of witness accuracy by mock jurors. In study one, 32 mock witnesses were shown a short film and then questioned either with lawyers' complex questions or simple alternatives. In Study 2, 20 mock jurors viewed video footage of the mock witnesses assigned to each of the two previous conditions and were asked to rate their confidence in the witnesses' answers. The findings of the two studies indicated that lawyers' use of confusing questions reduce not only accuracy but also speed of response and both witnesses' and jurors' ability to determine accuracy. The implication of these findings is straightforward, lawyers should ask simple questions wherever possible.
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    Journal Title
    Journal of Investigative Psychology and Offender Profiling
    Volume
    7
    Issue
    3
    DOI
    https://doi.org/10.1002/jip.125
    Copyright Statement
    © 2010 John Wiley & Sons, Ltd. This is the pre-peer reviewed version of the following article: The influence of lawyers' questions on witness accuracy, confidence and reaction times and on mock-jurors' interpretation of witness accuracy, Journal of Investigative Psychology and Offender Profiling 7(3), 2010, pp. 261-271, which has been published in final form at http://dx.doi.org/10.1002/jip.125
    Subject
    Criminology
    Forensic psychology
    Publication URI
    http://hdl.handle.net/10072/36930
    Collection
    • Journal articles

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