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Police officers’ views of effective interview tactics: The effects of weight of case evidence and discomfort with ambiguity

Journal article
Authors Helinä Häkkänen
Karl Ask
Mark Kebbell
Laurence Alison
Pär-Anders Granhag
Published in Applied Cognitive Psychology
Volume 23
Pages 468-481
Publication year 2009
Published at Department of Psychology
Pages 468-481
Language en
Keywords interrogation, interview, police, evidence, individual differences
Subject categories Psychology, Cognitive science, Applied Psychology


This study examined the effects of case-specific facts and individual discomfort with ambiguity (DA) on investigators’ beliefs concerning effective interviewing tactics for suspects. Violent crime investigators (n = 30) responded to a questionnaire including the Need for Closure Scale (NFCS) and ratings of the importance of 39 interrogation tactics in two hypothetical interrogations with a homicide suspect, where the evidence consisted of either technical evidence or soft information. Twenty tactics were analysed with a multidimensional scaling procedure which confirmed two discrete interviewing themes: humane and dominant. More tactics, both dominant and humane, were rated as important if the evidence was soft compared with technical. In the soft evidence condition, investigators who were high on DA rated both types of tactics as more important than did low-DA investigators. In the technical evidence condition, no such difference emerged.

Page Manager: Webmaster|Last update: 9/11/2012

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