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Co-frequency ratings of anxiety reactions
Abstract:
The method of direct co-frequency rating was explored for the study of relationships among individuals' self-reported anxiety reactions. The subjects were 40 adolescents who gave co-frequency ratings (how often the reactions co-occurred) for all pairs of 10 preselected reactions to anxiety. The mean co-frequency matrix was subjected to multidimensional scaling and cluster analysis. The same subjects also rated the intensity of the same reactions in an anxiety inventory of the "S-R" type. The correlations among reactions were computed and compared with corresponding co-frequency estimates. The relationship between these two types of data was relatively high. Factor analysis of the correlations gave a "Psychic" and a "Somatic" reaction factor, whereas the main dimension obtained from co-frequency ratings reflected a general reaction factor. This outcome was supported by the cluster analyses, which yielded two and one clusters, respectively, interpretable in accordance with the dimension analyses.
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