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WISC-R factor structures (Principal Factor Analysis-Varimax rotation) were compared for previously diagnosed samples of learning disabled Navajo and Papago children. Both two- and three-factor… (More)
The authors compare Koppitz error scores of a large group of referred Navajo children with the 1974 Koppitz and SOMPA total sample norms. Results suggest that the 1974 Koppitz and SOMPA white norms… (More)
WISC-R subtest scaled scores for 192 learning disabled Navajo Indian children were recategorized according to the system recommended by Bannatyne (1974), and subsequently analyzed using a one-way… (More)