The role of motivation to avoid detection in reaction time-based concealed information detection |
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| Affiliation: | 1. University of Amsterdam, Department of Clinical Psychology, Amsterdam, The Netherlands;2. Maastricht University, Department of Clinical Psychological Science, Maastricht, The Netherlands;1. Department of Psychology, Colorado State University, Fort Collins, CO 80523, United States;2. Department of Psychology, Lancaster University, Lancaster, United Kingdom;1. Texas A&M University-Commerce, Department of Psychology, Counseling, and Special Education, P.O. Box 3011, Commerce, TX 75429, United States;2. Louisiana State University Shreveport, Department of Education, One University Place, Shreveport, LA 71115, United States;1. New York University, Psychology Department , 6 Washington Place, Meyer Hall 478, New York, NY 10003, United States;2. Rutgers University, United States |
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| Abstract: | Do motivated liars lie more successfully? The motivational effort hypothesis predicts that higher motivation effectively diminishes the chance of being detected, whereas the motivational impairment hypothesis predicts that the higher the motivation to go undetected, the greater the chance of being detected. We manipulated motivation in two online reaction time-based Concealed Information Test studies in which participants tried to hide their identity. Detection of concealed identity information in Experiment 1 (n = 259) was successful and a small financial incentive to avoid detection did not impact upon validity. Despite a greater financial incentive and a manipulation check showing that motivation was increased, Experiment 2 (n = 233) did not impact upon the test's validity either. A financial incentive to avoid detection did not decrease the validity of concealed information detection. |
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| Keywords: | Memory detection Reaction times Lie detection Concealed Information Test Polygraph Deception |
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