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Behavioral treatment and bio-behavioral assessment

The two major affective dimensions – pleasure and arousal – showed almost complete agreement in all comparisons involving the semantic differential factor scores and the ratings resulting from either of the SAM administration formats. Semantic differential pleasure scores were correlated .97 and .96 with pencil-and-paper SAM and computer SAM pleasure dimensions, respectively. For arousal, the correlations between the semantic differential arousal factor and SAM arousal were .94 and .95 for the pencil-and-paper and computer formats, respectively. Withininstrument correlations between pleasure and arousal were also similar and low, producing correlations of -.09, -.20, and .02, for the semantic differential factors, paper-and-pencil SAM and computer SAM, respectively. Less agreement was found for the dominance dimension, with nonsignificant correlations of .23 and .18 between the semantic differential factor and the paper-and-pencil SAM or computer SAM dominance dimensions, respectively. Furthermore, whereas the correlation between pleasure and dominance was low for the semantic differential Table 2 instrument (.07), the correlation was high and significant for the SAM method, .86 and .79 for paper-and-pencil and computer versions, respectively.