| The purpose of this study was to clarify the relationship between psychological factors and neuropsychological test performance through verifying the goodness of fit of a structural model. The Halsted-Reitan Neuropsychological Battery and Minnesota Multiphasic Personality Inventory were used to gather information in about 750 normal and brain damaged adults. These tests were divided into several factors. The results suggest: (a) a person's level of psychological distress predicts their perceived control and their attention/concentration, (b) a person's level of perceived control predicts their attention/concentration, and (c) a person's level of attention/concentration predicts test performance on all other neuropsychological factors including tactile, language, motor, and sensory. Implications of these findings for research, neuropsychological test interpretation, and neuropsychological test administration are discussed. |
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