A child version of the Positive and Negative Affect Schedule (PANAS;D. Watson, L. A. Clark, & A. Tellegen, 1988), the PANAS-C, was developed using students in Grades 4-8 (N = 707). Item selection was based on psychometric and theoretical grounds. The resulting Negative Affect (NA) and Positive Affect (PA) scales demonstrated good convergent and discriminant validity with existing self-report measures of childhood anxiety and depression; the PANAS-C performed much like its adult namesake. Overall, the PANAS-C, like the adult PANAS, is a brief, useful measure that can be used to differentiate anxiety from depression in youngsters. As such, this instrument addresses the shortcomings of existing measures of childhood anxiety and depression.

The tripartite model of depression and anxiety suggests that depression and anxiety have shared (generalized negative affect) and specific (anhedonia and physiological hyperarousal) components. In one of the 1st studies to examine the structure of mood-related symptoms in youngsters, this model was tested among 116 child and adolescent psychiatric inpatients, ages 8-16 (M = 12.46; SD = 2.33). Consistent with the tripartite model, a 3-factor (Depression, Anxiety, and Negative Affect) model represented the observed data well. Follow-up analyses suggested that a nonhierarchical arrangement of the 3 factors may be preferable to a hierarchical one.

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Used a joint factor analysis with the Children's Depression Inventory (CDI; Kovacs, 1980/81, 1992) and Revised Children's Manifest Anxiety Scale (RCMAS; C. R. Reynolds & Richmond, 1978, 1985) to identify items that uniquely measured depression and anxiety. Data from 750 youngsters in Grades 4 through 7 were analyzed using principal-axis factoring with an oblique rotation. Salient factors were identified using guidelines provide by Gorsuch (1997). Item overlap and the large negative affectivity component across instruments were evident. Items that overlapped or had nonsalient loadings were eliminated. The sample was randomly split into 2 groups of 375 and analyses were repeated. Results indicated that a unique 9-item depression factor composed largely of items representing a negative view of oneself existed. In addition, a unique 7-item anxiety factor emerged that consisted of items reflecting worry. The validity of these abbreviated scales was explored using a separate sample of 131 students in Grades 4 through 9. The abbreviated scales were correlated with scales of positive and negative affect consistent with predictions. Findings suggest exploring alternative scoring strategies for the CDI and RCMAS to eliminate problems associated with overlapping items.

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Considerable empirical support exists for the positive affect and negative affect components of the tripartite model of anxiety and depression proposed by L. A. Clark and D. Watson (1991); however, less attention has been paid to the physiological hyperarousal component of the model. The development of the Physiological Hyperarousal Scale for Children (PH-C; J. Laurent, S. J. Catanzaro, & T. E. Joiner Jr., 1995) is described. The psychometric properties of items are examined using students in Grades 6 -12 (N ϭ 398). Initial scale validation includes a joint factor analysis with the Positive and Negative Affect Scale for Children (

Beck's (1976) cognitive model of psychopathology stipulates that each emotional disorder can be characterized by a cognitive content specific to that disorder. Although other aspects of Beck's theory have been empirically supported with youngsters, few have tested the applicability of the cognitive content-specificity hypothesis to children. Forty-five youngsters in Grades 4 through 7 who met diagnostic criteria of the revised third edition of the Diagnostic and Statistical Manual of Mental Disorders for a depressive or anxiety disorder and 18 controls completed measures of anxious and depressive cognitions. Analysis revealed that the valence of depressive cognitions played an important role in distinguishing the anxious group from the depressed and mixed groups. Specifically, negatively worded items did not differentiate between groups as well as positively worded items. The anxious, depressed, and mixed depressed-anxious groups were not differentiated on the basis of their anxious cognitions. The results provide partial support for Beck's cognitive content-specificity hypothesis and the broader positive-negative affectivity construct.

Contribution of cognitive, behavioral, and family environment variables to the differentiation of depressive and anxiety disorders in children was explored. Fifty-nine children from Grades 4-7 (14 diagnosed with a depressive disorder, 16 diagnosed with depressive and anxiety disorders, 11 diagnosed with an anxiety disorder, and 18 nondisturbed controls) completed measures of the depressive cognitive triad, depressive cognitions, social skills, family environment, and maladaptive family messages. Results of a stepwise discriminant function analysis indicated that 2 discriminant functions composed of 7 variables from the cognitive, behavioral, and family environment domains accounted for 91% of the between-groups variance. Results suggest that depressive disorders can be distinguished from anxiety disorders on the basis of ratings of cognition, social skills, and family environment. Implications for existing research and a model of depression during childhood are discussed.