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A cluster analysis of institutionalized mentally retarded individuals
A B Silverstein1, G D Lozano, J F White
1MRRC-Lanterman Developmental Center Research Group, UCLA School of Medicine.
Abstract:
The scores of two samples of 200 subjects each on five factors of a measure of adaptive behavior were subjected to cluster analysis using two hierarchical agglomerative clustering methods. Three clusters were found that proved stable across clustering methods, subject samples, and time points 3 years apart. In addition, cluster membership was shown to be meaningfully associated with a number of demographic characteristics and neurological and sensory handicaps. The three-cluster solution thus possesses some desirable features, but its practical utility remains to be demonstrated.
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