Contextual bias in verbal credibility assessment: criteria-based content analysis, reality monitoring and scientific content analysis

Glynis Bogaard, Ewout H. Meijer, Aldert Vrij, Nick J. Broers, Harald Merckelbach

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Abstract

Verbal credibility assessment encompasses several methods used to evaluate the credibility of statements by examining their content. In two experiments, we tested to what extent these methods are sensitive to contextual bias. Four statements were presented, although their context was manipulated by confronting raters with extra-domain information that either enhanced or diminished the credibility of the statements. In Experiment 1, 32 police officers analysed the statements using scientific content analysis. In Experiment 2, 128 undergraduates analysed the statements using criteria derived from criteria-based content analysis, reality monitoring or scientific content analysis. Results showed that all three methods were equally vulnerable to contextual bias.
Original languageEnglish
Pages (from-to)79-90
JournalApplied Cognitive Psychology
Volume28
Issue number1
DOIs
Publication statusPublished - 1 Jan 2014

Keywords

  • lie detection
  • contextual bias
  • confirmation bias
  • Criteria Based Content Analysis
  • CBCA
  • Reality Monitoring
  • Scientific Content Analysis
  • SCAN

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