Investigates intellectual differences among high-fit young and old and low-fit young and old adult men before and after an exercise program. It is not clear from this study whether improvement in cognitive functioning with exercise is due to physiological or psychological changes or both. (Author/CC)

Study replicates and extends the results obtained by Attig and Hasher (1980) in finding null effects for adult age variation and instructional variation on a relative frequency judgment task. Finds nonsignificant covariation for both young and elderly adults between judgment proficiency and paired-associate learning proficiency. (Author)

Compares education matched young brain-damaged, young nonbrain-damaged, old brain-damaged and old nonbrain-damaged groups on a battery of measures of cognitive, perceptual, and motor skills. By factor analysis, the 26 original measures were reduced to four, called nonverbal memory, language ability, motor ability, and psychomotor problem solving.…

Two experiments were conducted in order to discover (a) the expressed attitudes of young adults about the intellectual abilities of seven target groups ranging in age from infant to elderly, and (b) if and in what manner young adults differentially explain the rules of a simple game to these same target groups. (Author)