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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

Dean, Raymond S. – Journal of School Psychology, 1977
The most striking aspect of this study is that the PIAT, designed and standardized for children in the educational mainstream, is as applicable to Mexican-American children as to their Anglo counterparts. Consequently, the PIAT may be advantageous as a screening instrument with this culturally specific population. (Author)
Descriptors: Achievement Tests, Comparative Analysis, Cultural Influences, Elementary Education