Statistical and Normative Studies of the Halstead Neuropsychological Test Battery Relevant to a Neuropsychiatric Hospital Setting

Abstract
A series of studies was performed with the general aim of evaluating the usefulness of the Halstead Neuropsychological Test Battery with a neuropsychiatric population. Factor analysis of the battery showed that it measured language, perceptual, complex problem-solving, and motor skills. Utilizing stepwise discriminant analysis the battery discriminated between brain-damaged and non-brain-damaged Ss at a statistically significant level. However, a simpler index, the Average Impairment Rating, did as well in terms of percentage of correct classifications. Also, through the use of stepwise multiple discriminant analysis, the battery discriminated among Ss with lateralized, diffuse and no brain damage at statistically significant levels, with the exception that it could not discriminate between Ss with right-hemisphere lesions and those with diffuse lesions.