The place of cooperation in the examination of neuropsychological impairment

We examined the relationship between ratings of patient cooperation and neuropsychological test performance in a sample ( N = 333) of dementing patients and normal controls. We also examined the stability of the relationship in a subset of this same sample ( N = 299) who were retested a year later....

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Bibliographic Details
Published in:Archives of clinical neuropsychology 1990, Vol.5 (3), p.243-249
Main Authors: Snow, William G., Tierney, Mary C., Zorzitto, Maria L., Fisher, Rory H., Reid, David W.
Format: Article
Language:English
Subjects:
Adult and adolescent clinical studies
Biological and medical sciences
Intellectual deficiency
Medical sciences
Psychology. Psychoanalysis. Psychiatry
Psychopathology. Psychiatry
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Summary:We examined the relationship between ratings of patient cooperation and neuropsychological test performance in a sample ( N = 333) of dementing patients and normal controls. We also examined the stability of the relationship in a subset of this same sample ( N = 299) who were retested a year later. All the correlation coefficients in both years were significant, with a median Pearson of .64 in year one and .725 in year two. The test-retest reliability for ratings of cooperativeness over the one-year time period (rated by different examiners) was also significant, r = .64 ( p < .0001). This analysis indicates that cooperation plays a significant role in neuropsychological test performance and that ratings of cooperativeness are relatively stable over periods of up to a year in length.
ISSN:0887-6177
1873-5843
DOI:10.1016/0887-6177(90)90023-I