4-23 - (accuracy is typically 15-20 • Most lies are...

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COM 225 Deception Cultural Beliefs About Deception Legal and religious systems based upon the principle that honesty is the best policy Deception researchers argue that everyone lies Participants recorded and analyzed “important conversations” 38.5% of utterances were “completely honest” (61.5% controlled information) No conversation was completely honest Most common form of information control: concealment-can’t detect it unless it is revealed to you 6 Assumed Deception “Leakage” Cues Less eye contact More smiling More adapters-self touching More speech errors More postural shifting Longer message If you want to convince someone that you are telling the truth then invert this list Truths about Deception Detection No behavioral cue consistently indicates deception In general, people CANNOT detect
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Unformatted text preview: (accuracy is typically 15-20%) • Most lies are “detected” indirectly • Variation in detection is due almost entirely to transparency (Levine, 2009)-a small percentage of liars are really bad at it McCornack & Parks—Intimacy and Accuracy in Detection • Intimacy should increase Confidence-confidence is confidence in you detection ability (I’m pretty confidant that I know when you are lying) • Confidence should increase Truth Bias-the bias toward thinking that everything someone says to you is true • Truth Bias should decrease Accuracy in Detecting Deception • Findings support this causal chain o Intimacy(UP) Confidence(UP) Truth Bias(UP) Accuracy(DOWN) • Steve’s tip is to just trust people because suspicion doesn’t boost accuracy...
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4-23 - (accuracy is typically 15-20 • Most lies are...

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