Immediate or delayed recall: When is the best time to interview alcohol intoxicated eyewitnesses?

Hagsand, Angelica, 1985 (author): Gothenburg University,Göteborgs universitet,Psykologiska institutionen,Department of Psychology

Roos Af Hjelmsäter, Emma, 1976 (author): Gothenburg University,Göteborgs universitet,Psykologiska institutionen,Department of Psychology

Granhag, Pär-Anders, 1964 (author): Gothenburg University,Göteborgs universitet,Psykologiska institutionen,Department of Psychology

Fahlke, Claudia, 1964 (author): Gothenburg University,Göteborgs universitet,Psykologiska institutionen,Department of Psychology

Söderpalm Gordh, Anna, 1971 (author): Gothenburg University,Göteborgs universitet,Institutionen för neurovetenskap och fysiologi, sektionen för psykiatri och neurokemi,Institute of Neuroscience and Physiology, Department of Psychiatry and Neurochemistry

(creator_code:org_t)

2013
2013
English.
In: Oral presentation at The Nordic Network for Psychology and Law (NNPL), October 25-26 2013, Aarhus, Denmark.

Abstract Subject headings

Introduction. Many violent crimes involve alcohol intoxicated eyewitnesses, but there are only a few studies on how alcohol affects eyewitness memory. Aim. The overall aim was to examine whether eyewitnesses, intoxicated as well as sober, recall more (and more accurate) information when interviewed immediately after witnessing a crime, compared to a delayed interview. Methods. The participants (N = 99) were randomly assigned to a 2 (Beverage: control vs. alcohol) x 2 (Recall trial: immediate and delayed vs. delayed only) mixed design. After a 15 minutes consumption time, a staged kidnapping on film was shown. Half of the participants (N = 48) were interviewed immediately and all (N = 100) had a one week delayed recall. Results. There was no difference between sober and intoxicated eyewitnesses in terms of amount of details, but intoxicated witnesses were less accurate. Eyewitnesses who had an immediate recall remembered significantly more and were more accurate at the delayed recall, than eyewitnesses who did not have an immediate recall. This regardless whether the eyewitnesses had consumed alcohol or not the week before. Conclusions. This study shows the importance of conducting an immediate interview, even when the witnesses are intoxicated with a low to moderate blood alcohol concentration.

By the author/editor: Hagsand, Angelic ...; Roos Af Hjelmsät ...; Granhag, Pär-And ...; Fahlke, Claudia, ...; Söderpalm Gordh, ...

About the subject

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