A summary index of neuropsychological impairment (mean Luria-Nebraska T score), along with age, education, and presence/absence of confirmed brain disease, was used to predict employment status (working/not working). Subjects were 50 patients referred for neuropsychological assessment of confirmed or suspected brain damage. The Luria-Nebraska index contributed about 8% of explained variance independently of the other predictors. The joint validity was about 29% of criterion variance. This is related to issues in the use of neuropsychological data to predict functional variables.
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