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Detecting Deception Via Strategic Disclosure of Evidence

Artikel i vetenskaplig tidskrift
Författare Maria Hartwig
Pär-Anders Granhag
Leif Strömwall
A Vrij
Publicerad i Law and human behavior
Volym 29
Nummer/häfte 4
Sidor 469-484
Publiceringsår 2005
Publicerad vid Psykologiska institutionen
Sidor 469-484
Språk en
Ämnesord Interrogation, deception detection, evidence
Ämneskategorier Psykologi

Sammanfattning

Deception detection research has largely neglected an important aspect of many investigations, namely that there often exists evidence against a suspect. This study examined the potentials of timing of evidence disclosure as a deception de-tection tool. The main prediction was that observers (N = 116) would obtain higher accuracy rates if the evidence against the suspects (N = 58) was presented in a late rather than early stage of the interrogation. This prediction was based on the idea that late evidence disclosure would trigger lack of consistencies be-tween the liars’ stories and the evidence, this could be used as a cue to deception. The main prediction received support. Late disclosure observers obtained an overall accuracy of 61.7%, compared to 42.9% of Early disclosure observers. De-ceptive statements were identified with high accuracy (67.6%) in Late disclosure, indicating that the technique in this form is beneficial mainly for pinpointing lies.

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