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J Consult Clin Psychol. 1999 Jun;67(3):374-86.

Positive and negative affectivity in children: confirmatory factor analysis of a two-factor model and its relation to symptoms of anxiety and depression.

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Department of Psychology, Florida State University, Tallahassee 32306-1270, USA.


The positive affect (PA) and negative affect (NA) framework that is embodied in the tripartite model of anxiety and depression has proved useful with adult populations; however, there is as yet little investigation with children concerning either the measurement of PA and NA or the relation between PA and NA and levels of adjustment. A confirmatory factor analysis was used in this study to examine the structure of self-reported affect and its relation to depressive and anxious symptoms in school children (4th to 11th grade). Results supported a 2-factor orthogonal model that was invariant across age and sex. Support for the expected pattern of relations between NA and PA with symptoms of depression and anxiety was strong for the older sample (M = 14.2 years) but weaker for the younger sample (M = 10.3 years). Results also provide preliminary support for the reliability and validity of the Positive and Negative Affect Schedule for children.

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