A meta-analysis of the effects of acute alcohol intoxication on witness recall

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A meta-analysis of the effects of acute alcohol intoxication on witness recall. / Jores, Theo; Colloff, Melissa F.; Kloft, Lilian; Smailes, Harriet; Flowe, Heather D.

In: Applied Cognitive Psychology, Vol. 33, No. 3, 01.05.2019, p. 334-343.

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@article{c06b31a0480a45dca11546795e30972b,
title = "A meta-analysis of the effects of acute alcohol intoxication on witness recall",
abstract = "There is widespread belief in the legal system that alcohol impairs witness testimony. Nevertheless, most laboratory studies examining the effects of alcohol on witness testimony suggest that alcohol may affect the number of correct but not incorrect details recalled. However, it is difficult to draw conclusions because sample sizes, testing paradigms, and recall measures vary between individual studies. We conducted a meta-analysis to address this issue. We found alcohol intoxication had a significant and moderate sized effect on the number of correct details recalled (g = 0.40). The effect of alcohol on the number of incorrect details recalled was not significant. Further, the effect of alcohol on the recall of correct details was significantly moderated by multiple factors like intoxication level, the retention interval length between encoding and recall, and the types of questions asked (i.e., free recall vs. cued recall). We discuss the applied implications of the results.",
keywords = "alcohol, eyewitness, investigative interviews, memory, recall, witness",
author = "Theo Jores and Colloff, {Melissa F.} and Lilian Kloft and Harriet Smailes and Flowe, {Heather D.}",
year = "2019",
month = may,
day = "1",
doi = "10.1002/acp.3533",
language = "English",
volume = "33",
pages = "334--343",
journal = "Applied Cognitive Psychology",
issn = "0888-4080",
publisher = "Wiley",
number = "3",

}

RIS

TY - JOUR

T1 - A meta-analysis of the effects of acute alcohol intoxication on witness recall

AU - Jores, Theo

AU - Colloff, Melissa F.

AU - Kloft, Lilian

AU - Smailes, Harriet

AU - Flowe, Heather D.

PY - 2019/5/1

Y1 - 2019/5/1

N2 - There is widespread belief in the legal system that alcohol impairs witness testimony. Nevertheless, most laboratory studies examining the effects of alcohol on witness testimony suggest that alcohol may affect the number of correct but not incorrect details recalled. However, it is difficult to draw conclusions because sample sizes, testing paradigms, and recall measures vary between individual studies. We conducted a meta-analysis to address this issue. We found alcohol intoxication had a significant and moderate sized effect on the number of correct details recalled (g = 0.40). The effect of alcohol on the number of incorrect details recalled was not significant. Further, the effect of alcohol on the recall of correct details was significantly moderated by multiple factors like intoxication level, the retention interval length between encoding and recall, and the types of questions asked (i.e., free recall vs. cued recall). We discuss the applied implications of the results.

AB - There is widespread belief in the legal system that alcohol impairs witness testimony. Nevertheless, most laboratory studies examining the effects of alcohol on witness testimony suggest that alcohol may affect the number of correct but not incorrect details recalled. However, it is difficult to draw conclusions because sample sizes, testing paradigms, and recall measures vary between individual studies. We conducted a meta-analysis to address this issue. We found alcohol intoxication had a significant and moderate sized effect on the number of correct details recalled (g = 0.40). The effect of alcohol on the number of incorrect details recalled was not significant. Further, the effect of alcohol on the recall of correct details was significantly moderated by multiple factors like intoxication level, the retention interval length between encoding and recall, and the types of questions asked (i.e., free recall vs. cued recall). We discuss the applied implications of the results.

KW - alcohol

KW - eyewitness

KW - investigative interviews

KW - memory

KW - recall

KW - witness

UR - http://www.scopus.com/inward/record.url?scp=85062332734&partnerID=8YFLogxK

U2 - 10.1002/acp.3533

DO - 10.1002/acp.3533

M3 - Article

AN - SCOPUS:85062332734

VL - 33

SP - 334

EP - 343

JO - Applied Cognitive Psychology

JF - Applied Cognitive Psychology

SN - 0888-4080

IS - 3

ER -