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Validation study demonstrates strong psychometric validity for a three-item family functioning scale across multiple samples, indicating its utility as an ultra-brief assessment tool.
The purpose of the present study is to compare results from the 12-item General Functioning Scale (GF-FAD) of the Family Assessment Device (FAD) to a three-item version, the Brief Assessment of Family Functioning Scale (BAFFS), designed to be used when brevity is especially important. We used principal components analysis of the GF-FAD, followed by multiple sample confirmatory factor analyses to test the robustness of the BAFFS in different samples. The BAFFS correlated highly with the GF-FAD, and demonstrated good concurrent validity with another measure of global marital functioning, the Dyadic Adjustment Scale-4 in a help-seeking sample. Like the 12-item version, the BAFFS moderately correlated with an objective, interview-based rating of family functioning, the McMaster Clinical Rating Scale. The BAFFS appears to serve as a good proxy for the GF-FAD when an ultra-brief family assessment measure is needed.
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Mansfield et al. (2018) studied this question.
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