PSYC 3310 Chapter Notes - Chapter 3: Saul Kassin, Lie Detection, Stereotype Threat
5 Jul 2019
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Lying is adaptive, it serves a useful function that promotes survival. It has been argued that our ability at shaping truth gives harmony to group interaction. Machiavellian intelligence hypothesis: a great leap forward in human intelligence was triggered by the need for humans to develop the essential social skills of manipulation, pretense, and deception. (dunbar & schultz 2007) Can we tell when others are lying. Canadian and us police use the interrogator as a human lie detector. Once the case goes to trial, it"s the judge and juror to decide whether the suspect is lying or not. 384 research studies, over 24000 people: 54% accuracy rate. Study by saul kassin and his collogues. Inmates gave true and false videotaped confessions to crimes they did or did not commit. Police detectives and university undergraduates judged the truthfulness of each statement. The detectives were significantly more confident about the accuracy of their judgement even though they did worse than students.
