title: Suspects, lies, and videotape: an analysis of authentic high-stake liars.
abstract: This study is one of the very few, and the most extensive to date, which has examined deceptive behavior in a real-life, high-stakes setting. The behavior of 16 suspects in their police interviews has been analyzed. Clips of video footage have been selected where other sources (reliable witness statements and forensic evidence) provide evidence that the suspect lied or told the truth. Truthful and deceptive behaviors were compared. The suspects blinked less frequently and made longer pauses during deceptive clips than during truthful clips. Eye contact was maintained equally for deceptive and truthful clips. These findings negate the popular belief amongst both laypersons and professional lie detectors (such as the police) that liars behave nervously by fidgeting and avoiding eye contact. However, large individual differences were present.
authors.affiliation: Department of Psychology, University of Portsmouth, Hants, United Kingdom.
authors.forename: Samantha
authors.initials: S
authors.lastname: Mann
authors.forename: Aldert
authors.initials: A
authors.lastname: Vrij
authors.forename: Ray
authors.initials: R
authors.lastname: Bull
mesh_terms: D000293:Adolescent; D000328:Adult; D003415:Crime / Q000331:legislation & jurisprudence*; D008192:Deception; D004739:England; D005260:Female; D006801:Humans; D007407:Interviews as Topic; D008297:Male; D009042:Motivation; D015999:Multivariate Analysis; D014743:Videotape Recording