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Original Articles

The Multitrait-Multimethod Approach in Family Assessment

Published Online:https://doi.org/10.1027/1015-5759.21.4.232

Abstract. A questionnaire and two observation methods were used to assess the parent-child relationship constructs Warmth, Hostility, Respect for Autonomy, and Setting Limits. Family members (father, mother, and one child) were asked to assess each of the other family members on these constructs. The family members were observed during an interaction task and their behavior toward each of the other family members was coded on these constructs, using global ratings and microcodes. The children's problem behavior was rated by both parents. A multitrait-multimethod approach was followed in analyzing the data and interpreting the criterion validity of the relationship measures. Method-variance overshadowed trait-variance and presumably also explained the moderate criterion validity of the questionnaire and the behavior rating method.

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