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They all are associated with the same hormones that trigger tribal behavior, oxytocinand vasopressin. Offering jurors an opportunity that is rare or a chance to reciprocateor follow a strong leader or be part of a group triggers the hormones that make themwant to be on our team.C. Be ConfidentThe power of confidence to persuade can hardly be overstated.Political scientists have shown that one of the best ways to predict election outcomes isto compare the candidates on “approach behaviors,” such as the tendency to movetoward the audience when answering questions, exuding openness and confidence,instead of standing still, thereby signifying defensiveness. 59Psychologists at the University of Chicago led by Paul Zarnoth conducted a study inwhich volunteers first solved math, analogy and other types of problems, and then wereasked how confident they were about their answers, first as individuals, and then againin small groups. The group responses tended to mirror the individual responses of themost confident member of the group, regardless of whether the answers were right orwrong. The individuals who seemed most confident were also perceived to be the mostcompetent. 60And another group of psychologists looked at whether student’s initial perceptions aboutlecturers on traits such as confidence, optimism, likability, and enthusiasm were59 Dutton, supra note 5 at 184.60 Id. at 183-84.30