Family Functioning Measures: Convergent and Discriminant Validity

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Abstract: The purpose of this study was to conduct psychometric analysis of three self-report family functioning measures. Twenty-five families were recruited for study participation. The families consisted of a very low birthweight infant, the infant's mother, and an adult partner with whom the mother resided. Campbell and Fiske's (1959) multitrait-multimethod (MTMM) of establishing convergent and discriminant validity was employed. Traits consisted of mutuality and communication, and methods were three self-report family functioning measures: Family Dynamics Measure II (FDM II), Family Functioning Style Scale (FFSS), and the Self-Report Family Inventory (SFI). Factor analysis was …