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Article Review Of ‘Distorted Retrospective Eyewitness Reports

570 words - 3 pages

Length: 546 words (1.6 double-spaced pages)

Experimental Psychology
Article review of ‘Distorted Retrospective Eyewitness Reports as Functions of Feedback and Delay’ by Gary L. Wells, Elizabeth A. Olson, and Steve D. Charman.
Iowa State University
Journal of Experimental Psychology
This article was mainly about eye witnesses and the many errors they make in recalling a situation or describing a culprit whether they are asked immediately or after a period of time.
In this study, witnesses viewed a crime video and attempted to identify the culprit from a group line-up that did not actually have the culprit present. 253 mistaken-identification eyewitnesses were randomly given confirming, disconfirming, or no feedback regarding their description of the culprit or the culprit’s identification. The feedback process was either immediate or delayed for 48 hours, and measures were also immediate or delayed for ...view middle of the document...

They suggest that postidentification feedback from the lineup administrator has strong effects on how the eye witness remembers the original event and on how the eyewitness recalls the identification decision. They call this the Postidentification Feedback Effect. This Effect influences both the retrospective reports of confidence and the eyewitnesses’ retrospective reports of how good their view of the culprit was, how much attention they paid to the culprit, how long they took to identify the culprit and so on. According to the writers, any psychological interpretations of the postidentification feedback effect must take into account the broad range of effects on retrospective reports of the witnessing
experience rather than merely the effect on retrospective confidence.
There have also been recent studies that have replicated and extended the Postidentification Feedback Effect in various ways. According to one study, “the Postidentification Feedback Effect is reduced by having eyewitnesses think privately about their certainty, the view they had, and so on, prior to giving them feedback (Wells & Bradfield, 1999). In addition, the Postidentification Feedback Effect also applies to eyewitnesses who make accurate identifications, although the effect is stronger for those who make inaccurate identifications (Bradfield, Wells, & Olson, 2002). Recent experiments also indicate that the Postidentification Feedback Effect works for nonidentifications (e.g., “not there” responses) as well as for identifications (Semmler, Brewer, & Wells, 2002)”.
The Postidentification Feedback Effect is very important because of the confidence and certainty of the eye witness. Those who were confident and paid close attention to the culprit at the time of witnessing might be accurate witnesses or inaccurate witnesses who were given confirming feedback. There are also theoretical reasons to believe that the postidentification feedback effect may be even stronger when feedback
is delayed than when it is not delayed. Different studies have been done to show this.

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