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"(Medical Xpress)\u2014A team of researchers at Tufts University has found that college students are better able to gauge the confidence a poker player has in his or her hand watching their arm movements versus studying their face. In their paper published in the journal Psychological Science, the team describes three experiments they ran using volunteers and video clips that examined the confidence level of poker players."^^<http://www.w3.org/2001/XMLSchema#string>
<http://medicalxpress.com/news/2013-09-poker-arms.html>