Effects of mood on psychophysiological detection of concealed information and the relation to self-assessed lying ability

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SUMMARY

    If either a happy or sad mood interferes with the attention directed to critical test items, polygraph examiners might attempt to moderate the examinee`s mood before the test; conversely, they may try to sustain the mood if it reliably helps predict the attention pattern of guilty examinees to critical test items. Finding that a sad mood increased skepticism, they indicated that mood may influence the ability to detect lies. Specifically, negative moods increased, and positive moods decreased, reported lie-detection ability. Specifically, the authors expected that guilty examinees in an unpleasant mood would . . .

     

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