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Zwiebel, Abraham; Mertens, Donna M. – American Annals of the Deaf, 1985
Results of Snijders-Oomen Nonverbal Intelligence Test for 251 deaf and 101 hearing children in Israel included that (1) factor structure for total deaf group differs from that of hearing group; (2) differences in cognitive structure were evident by age level for deaf; and (3) differences exist between cognitive structures of hearing and deaf…
Descriptors: Cognitive Development, Deafness, Elementary Secondary Education, Factor Analysis

Cunningham, Walter R. – Educational and Psychological Measurement, 1980
Army alpha longitudinal data on the same 96 males tested in 1919, 1950, and 1960 were analyzed in addition to data on 123 undergraduates tested in 1972-4. Young adults in 1919 and 1970 were similar. Results suggest that traditional factor analysis taxonomies for young adults misrepresent elderly persons. (Author/CP)
Descriptors: Adults, Age Differences, Cognitive Development, Factor Analysis