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The scales of psychological capacities: adaptation to an adolescent population
Brian Greenfield1, Constantin Filip, Alicia Schiffrin
1Faculty of Medicine , McGill University, Montreal, Quebec, Canada.
Abstract:
Given the dearth of pediatric outcome measures, Wallerstein's "scales of psychological capacities" (SPC), measuring psychotherapy changes with adults and reflecting shifts in character without specific adherence to a school of personality, was adapted to adolescents (Ad-SPC) and examined psychometrically. Twelve child psychoanalysts were consulted for content validity. Two investigators determined it to have high face validity after administering it to 40 adolescents. High inter-rater reliability was achieved for individual scale items. Construct validity was determined using Pearson correlations between multiple Ad-SPC items and co-administered validated measures of psychopathology. Preliminary psychometric properties support the Ad-SPC's potential for applicability in adolescent psychotherapy.
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