33_CatchingLiars - • After you have reviewed the pattern...

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PsychSim 5: CATCHING LIARS Name: __________________________________________ Section: ________________________ Date: __________________________________________ In this activity you will explore some of the methods used to detect deception. Nonverbal Cues After watching the two video clips, which version do you think is true? ___ The first version (born in New York) is true. ___ The second version (born in England) is true. Detecting Emotion from Facial Expression After examining the photos, which do you think show a genuinely happy person? ___ The left photo shows a genuine smile. ___ The right photo shows a genuine smile. Using a Polygraph to Detect Deception Briefly explain how a polygraph is used to detect lies. Results From the Simulated Polygraph Session
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Unformatted text preview: • After you have reviewed the pattern of physiological activity, indicate your best judgment about the truthfulness of the suspect. ___ This person is telling the truth. He didn’t take the camera. ___ This person is lying. He probably took the camera, or knows where it is. ___ It’s impossible to tell whether this person is lying. 56 PsychSim 5: Catching Liars Differences Among the Physiological Measurements • Why is respiration rate a less reliable indication of nervousness than perspiration or heart rate? Concerns About the Use of Polygraphs • Of those listed, which type of error could not be tolerated by the justice system? PsychSim 5: Catching Liars 57...
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