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Rizzolo, Peter J.; And Others – 1989
Prevalence rates of cognitive impairment in persons 75 to 85 years of age have been documented in the range of 10-15%, and exceeding 20% after age 85. A recent study has demonstrated even higher prevalence rates: 18.7% between the ages of 75-84 and 47% in persons over 85 years of age. Screening for dementia in persons 75 years of age and older…
Descriptors: Cognitive Ability, Cognitive Measurement, Comparative Analysis, Concurrent Validity
Peer reviewed Peer reviewed
Ysseldyke, James; And Others – Psychology in the Schools, 1981
Compares the performance of learning disabled students on the WISC-R and the Tests of Cognitive Abilities from the Woodcock-Johnson Psycho-Educational Battery. This study finds that learning disabled subjects performed more poorly on the Tests of Cognitive Abilities than on the WISC-R. (Author)
Descriptors: Cognitive Measurement, Comparative Analysis, Correlation, Elementary Education