Problem-solving task performance in brain-damaged subjects

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Abstract
Investigated the relationship between the Halstead Category Test and the Wisconsin Card Sorting Test. A correlational analysis revealed a statistically significant but modest relationship between the two variables in separate samples of brain-damaged and non-brain-damaged individuals (N = 156). Thus, in spite of the apparent similarity of the two measures, their relationship is not sufficiently close to suggest that in fact they are measuring the same abilities. However, the combination of hit rates of the two measures and the high base rate of brain dysfunction in the present sample yielded good diagnostic accuracy for decisions with regard to the presence of brain damage.