8 - Social psych notes- 9/8 Outline: o Lie detection...

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Social psych notes- 9/8 Outline: o Lie detection Nonverbal Combined Courts Attribution o Why o How o Errors Nonverbal lie detection- o (DePaulo, 1994) o when people are lying blink more pupils are dilated adaptors (self-touching; rubbing your ear, or arm, trying to calm themselves down because they know they’re lying) higher pitch stutter/stumble- verbal disfluency- interrupted your rhythm of speech o all of these are indicators of stress verbal indicators: o shorter answers o more negative types of answers approach- avoidance mechanism: the extent to which we are experiencing that fight or flight stress response, the more we are going to pull back or avoid. Things we like we have more of an approach type of response where as things we don’t like we tend to avoid or pull away o more irrelevant kinds of responses o more generalized answers as opposed to specifics o take more time to prepare your answer issues: o motivation- if you are motivated to lie, you know all the ways around not showing that you are lying o cues to lying are probabilistic- more likely than not; but not necessarily always reliable o type of lie (rehearsed story, or being caught off guard; how big or small the thing is you’re lying about) o type of person Paul Ekman et al. (1999) o Zygomotor muscles that we don’t have conscious control over in our face, and some people can read these movements and be able to tell what
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emotions they’re showing and by these emotions you can discover if they are lying or not Has about a 30% success rate o Ekman looked at a group of people to see if they were better at lie detection- looked at: (lie detection rates next to them) Federal officers- 80% Sheriffs- 78% Judges- 61% Psychologists (academic)- 57% Asked them all highly opinionated views, and they lied or told the truth, and subjects were told that ¼-3/4 of the people were lying; and this is what they detected
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This note was uploaded on 10/19/2011 for the course SOCI 2301 taught by Professor Staff during the Fall '11 term at UConn.

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8 - Social psych notes- 9/8 Outline: o Lie detection...

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