A cluster analysis of institutionalized mentally retarded individuals.

@article{Silverstein1989ACA,
  title={A cluster analysis of institutionalized mentally retarded individuals.},
  author={Anna Silverstein and Gerry D Lozano and Jessica F. White},
  journal={American journal of mental retardation : AJMR},
  year={1989},
  volume={94 1},
  pages={1-5; discussion 6-11}
}
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… CONTINUE READING