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The effects of misleading informatio...

Cook, Matthew A.

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The effects of misleading information and group discussion on eyewitness testimony.

Record Type:	Language materials, printed : Monograph/item
Title/Author:	The effects of misleading information and group discussion on eyewitness testimony./
Author:	Cook, Matthew A.
Description:	134 p.
Notes:	Adviser: M. Gwynn.
Contained By:	Masters Abstracts International40-01.
Subject:	Law. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=MQ60799
ISBN:	0612607992

The effects of misleading information and group discussion on eyewitness testimony.
Cook, Matthew A.

The effects of misleading information and group discussion on eyewitness testimony. - 134 p.

Adviser: M. Gwynn.

Thesis (M.A.)--Wilfrid Laurier University (Canada), 2001.

The purpose of the present studies was to assess the separate and interactive effects of misinformation and group discussion on eyewitness testimony. In Experiments 1 and 2, participants viewed a short video of a simulated robbery and shooting, and were then presented with either neutral or misleading information that was embedded in forced-choice questionnaires in a recognition test. Participants were subsequently randomly assigned to a group-recognition or individual-recognition condition. Groups were instructed to answer questions about details of the video (in Experiment 1 they were instructed to try to reach consensus), while individuals completed the recognition task on their own. Finally, all participants again completed a recognition test, and an open-ended recall test concerning the details of the video. A misinformation effect was found for both studies. However, the prediction that misled groups would report more of the misleading items than misled individuals was not supported. Groups, however, correctly recognized more of the neutral items than did individuals. Experiment 2, which investigated the effects of misinformation on misleading items with differing base rates (i.e., the number of participants who endorse the misleading information prior to group discussion), found that there was a reduction in the number of misleading items that were reported from the first to the third recognition test, even for those items that a majority of participants initially endorsed. Implications of the group recall superiority and repeated testing effects for mock witness recall are discussed.

ISBN: 0612607992Subjects--Topical Terms:

600858
Law.

The effects of misleading information and group discussion on eyewitness testimony.
LDR:02498nam 2200289 a 45 001 931872
005 20110429
008 110429s2001 eng d
020 $a 0612607992
035 $a (UnM)AAIMQ60799
035 $a AAIMQ60799
040 $a UnM $c UnM
100 1 $a Cook, Matthew A. $3 1255447
245 1 0 $a The effects of misleading information and group discussion on eyewitness testimony.
300 $a 134 p.
500 $a Adviser: M. Gwynn.
500 $a Source: Masters Abstracts International, Volume: 40-01, page: 0255.
502 $a Thesis (M.A.)--Wilfrid Laurier University (Canada), 2001.
520 $a The purpose of the present studies was to assess the separate and interactive effects of misinformation and group discussion on eyewitness testimony. In Experiments 1 and 2, participants viewed a short video of a simulated robbery and shooting, and were then presented with either neutral or misleading information that was embedded in forced-choice questionnaires in a recognition test. Participants were subsequently randomly assigned to a group-recognition or individual-recognition condition. Groups were instructed to answer questions about details of the video (in Experiment 1 they were instructed to try to reach consensus), while individuals completed the recognition task on their own. Finally, all participants again completed a recognition test, and an open-ended recall test concerning the details of the video. A misinformation effect was found for both studies. However, the prediction that misled groups would report more of the misleading items than misled individuals was not supported. Groups, however, correctly recognized more of the neutral items than did individuals. Experiment 2, which investigated the effects of misinformation on misleading items with differing base rates (i.e., the number of participants who endorse the misleading information prior to group discussion), found that there was a reduction in the number of misleading items that were reported from the first to the third recognition test, even for those items that a majority of participants initially endorsed. Implications of the group recall superiority and repeated testing effects for mock witness recall are discussed.
590 $a School code: 1101.
650 4 $a Law. $3 600858
650 4 $a Psychology, Experimental. $3 517106
650 4 $a Psychology, Social. $3 529430
690 $a 0398
690 $a 0451
690 $a 0623
710 2 0 $a Wilfrid Laurier University (Canada). $3 1020614
773 0 $t Masters Abstracts International $g 40-01.
790 $a 1101
790 1 0 $a Gwynn, M., $e advisor
791 $a M.A.
792 $a 2001
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=MQ60799