Abstract
Corsi's block-tapping task and WAIS–R were administered to two Italian samples of 200 normal older adults (aged 65–74 years and 75–100 years). Corsi's reliabilities and standardization data are shown. Additionally, Corsi's location in the factor space of cognitive abilities represented by the 11 WAIS–R subtests is presented. Corsi's test seems to be a reliable one for older Italians. It seems also to be a measure of general intelligence in those 65–74 years of age and a measure of the Freedom from Distractibility factor in subjects 75 years and older.
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