Factor Analysis of the Texas Functional Living Scale in an Outpatient Clinical Sample

Archives of Clinical Neuropsychology : the Official Journal of the National Academy of Neuropsychologists
Deborah A LoweJohn F Linck

Abstract

Prior factor analysis of the Texas Functional Living Scale (TFLS), a performance-based measure of functional abilities, in a military veteran sample supported four factors discrepant from the published subscales. This study analyzed TFLS factor structure in a non-veteran clinical sample. Two hundred seventy adult outpatients completed the TFLS during neuropsychological evaluation. Principal axis factor analysis with oblique promax rotation was conducted with age and education effects partialed out. Parallel analysis indicated five factors for extraction that accounted for a combined 48% of the variance. The first factor independently explained 26% of the total variance. Inspection of factor loadings suggested the following factor interpretations: complex calculations/time, complex visual search, praxis, memory, and basic calculations/math concepts. Five items did not significantly load onto any of the factors. Current results did not entirely correspond to the published subscales or prior results in a veteran sample. Further clarification of the TFLS factor structure is warranted.

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Citations

Aug 8, 2020·Applied Neuropsychology. Adult·Danielle C HergertJoseph R Sadek
Jul 30, 2020·Archives of Clinical Neuropsychology : the Official Journal of the National Academy of Neuropsychologists·Deborah A Lowe, John F Linck

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