A sex-related difference, favoring boys, was found on initial performance of two samples (one British, one American) of 10- and 11-year-old children on tasks involving volume and density. After classroom instruction that included opportunities for interaction with appropriate materials, both sexes performed at higher levels but differences…

This study examined the stability and across time changes on mean scores on eight educational outcomes including cognitive and non-cognitive areas as measured by the Pennsylvania Grade 5 Educational Quality Assessment Inventory. Data, collected on children tested as fifth graders in 1969 and retested in 1971 and 1973, are presented separately for…

THE DEVELOPMENT OF THOUGHT PROCESSES UNDER OPTIMUM TRAINING CONDITIONS WAS STUDIED. OPTIMUM WAS DEFINED TO INCLUDE (1) A CURRICULUM FOR THE DEVELOPMENT OF THOUGHT, (2) TEACHING STRATEGIES FOCUSED DIRECTLY ON MASTERY OF NECESSARY COGNITIVE SKILLS, AND (3) A SUFFICIENT TIME SPAN TO PERMIT A DEVELOPMENTAL TRAINING SEQUENCE. CHILDREN FROM 20…

Consistent learning gains are associated with the use of pictures when experiments adhere to five ground rules: (1) prose passages are presented orally; (2) the subjects are children; (3) the passages are fictional narratives; (4) the pictures overlap the story content; and (5) learning is demonstrated by factual recall. (Author)

This study identified behaviors of sibling pairs interacting on a cognitive task and related these behaviors to sibling structure variables (age and sex of each sibling and age spacing between them) and to measure of cognitive abilities of the younger sibling. Subjects were 160 sibling pairs randomly selected from appropriate subpopulations of…