Videotapes showed facial and body shots of stimulus persons answering factual questions, both truthfully and untruthfully. Subjects (n=32) viewed the videotapes and judged whether each answer was the truth or a lie. Results indicated accuracy was greatest for body shots of dishonest answers, supporting Ekman and Friesen's (1969; 1974) theory and extending findings to factual (non-emotional) statements. Confidence in the judgments of truth or lying was greater for dishonest than honest answers.
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Littlepagel et al. (1979) studied this question.
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