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Gilbertson, Alan D. – Journal of Clinical Psychology, 1984
Examined the level of perceptual differentiation of 42 young adult drug addicts. Analysis of variance showed that addicts, like alcoholics, were less perceptually differentiated than normals. Correlational and/or multivariate procedures yielded significant relationships between differentiation, verbal and abstraction abilities, likelihood of…
Descriptors: Cognitive Style, Drug Addiction, Individual Differences, Intelligence Differences