Interview expectancies: awareness of potential biases influences behaviour in interviewees

Expectancy effects are known to influence behaviour so that what is expected appears to be true. In this study, expectancy was induced using (fabricated) information about honesty and specific group membership. Targets were tested in a non-accusatory interview environment using neutral and informati...

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Veröffentlicht in:Psychiatry, psychology, and law psychology, and law, 2019-02, Vol.26 (1), p.150–166-166
Hauptverfasser: Adams-Quackenbush, Nicole M., Horselenberg, Robert, Hubert, Josephine, Vrij, Aldert, van Koppen, Peter
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container_end_page 166
container_issue 1
container_start_page 150–166
container_title Psychiatry, psychology, and law
container_volume 26
creator Adams-Quackenbush, Nicole M.
Horselenberg, Robert
Hubert, Josephine
Vrij, Aldert
van Koppen, Peter
description Expectancy effects are known to influence behaviour so that what is expected appears to be true. In this study, expectancy was induced using (fabricated) information about honesty and specific group membership. Targets were tested in a non-accusatory interview environment using neutral and information-gathering questions. It was hypothesized that those exposed to the negative information (the expectancy) would demonstrate behaviour consistent with an increased cognitive load, and evidence was found to support this prediction. Due to the investigative nature of the information-gathering questions, it was also expected that the targets exposed to the expectancy would exhibit more of these behaviours in the investigative portion of the interview. Some behaviour was found to support this prediction (i.e. shorter responses and increased speech disturbances); however, indicators of performance altering load were not observed during this phase of the interview. These findings support the hypothesis that expectancy effects can noticeably alter interviewee behaviour.
doi_str_mv 10.1080/13218719.2018.1485522
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source Applied Social Sciences Index & Abstracts (ASSIA); Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; PubMed Central
subjects Behavior
Bias
Cognitive load
Cognitive-behavioral factors
expectancy effects
Honesty
Information gathering
interviewee behaviour
Interviews
investigative interviews
Membership
Negative information
Police questioning
Speech
stereotype activation
truth-tellers
title Interview expectancies: awareness of potential biases influences behaviour in interviewees
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