This study used the Response Evaluation Measure-Youth (REM-Y-71), a self-report measure of 21 defense reactions, among school-age children. Participants were elementary and middle school students (n = 290; grades 3-8; age range: 8-15; mean = 11.73). Factor analysis revealed a 2-factor defense structure consistent with structure among high school and adult samples. The composite REM-Y defense scores for each factor were significant predictors of social desirability, using the Children's Defensiveness Scale (CDS); anxiety, using the State-Trait Anxiety Inventory for Children (STAIC); and psychosocial functioning. This study represents the first cross-sectional empirical analysis of overall defense structure and use among children and early adolescents.

Defenses and personality style predict affective response during a moderately stressful task. Immature defenses and, to a lesser extent, the distress personality dimension predict mobilization of negative affect, whereas mature defenses predict the reporting of positive affect. These results relate to processes central to psychotherapy: defensive responding, personality style, and affective reactivity during the recounting of stressful events.

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