The Impact of Evidence Type on Police Investigators’ Perceptions of Suspect Culpability and Evidence Reliability

  1. Pär-Anders Granhag
  2. Aldert Vrij

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Abstract In a repeated-measures experimental study, we examined how evidence type influences police investigators’ beliefs about (a) suspect’s culpability and (b) the reliability of incriminating evidence. South Korean police detectives on active duty (N = 202) read four reports with different critical information pointing to a suspect. We manipulated the critical information by swapping out the p...


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