To observe the response to an affect-arousing film, a palmar sweat print and self-ratings of anxiety and sweat-output were taken from 14 Ss, once before and once during a film believed to induce "anxiety." Ss showed significantly darker sweat prints and reported more anxiety during the film. The increase in palmar sweat appears to correlate moderately with both of the self-ratings. This finding is compared with similar relationships obtained by Lazarus and his co-workers. Some difficulties in the measurement of psychophysiologic variables are discussed.
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