Modeling the Ecological Validity of Neurocognitive Assessment in Adults with Acquired Brain Injury |
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Authors: | Paul D Kieffaber George A Marcoulides Margaret H White Douglas E Harrington |
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Institution: | (1) University of Pittsburgh School of Medicine, Pittsburgh, PA, USA;(2) University of California Riverside, Riverside, CA, USA;(3) California State University Fullerton, Fullerton, CA, USA;(4) Special Programs and Services for the Disabled, Coastline Community College, Costa Mesa, CA, USA |
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Abstract: | Neuropsychologists are increasingly asked to make judgments regarding treatment options and rehabilitation strategies in addition
to evaluating the degree and scope of neuropsychological impairment following acquired brain injuries. The capacity to make
informed clinical decisions relies upon research investigating the relationships between neuropsychological and psychosocial
status (i.e., ecological validity). Unfortunately, much of this research employs exploratory analyses, an approach that can
lead to theoretical ambiguity and ad-hoc interpretations. The current availability and accessibility of analytical tools,
like structural equation modeling (SEM), however, permits the testing of specific hypotheses regarding ecological validity
and promotes a-priori theory development. In the current study, a theory-driven model of the ecological validity of a neurocognitive
assessment was tested against data obtained from individuals with acquired brain injury using SEM. The results provide confirmatory
evidence for the ecological validity of neurocognitive constructs and empirical support for a theory-driven analytical approach
to ecological validity research. |
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Keywords: | Structural equation modeling Acquired brain injury Ecological validity |
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