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BLAKE, KATHRYN A.; AND OTHERS – 1959
IN THIS INVESTIGATION, AN ATTEMPT WAS MADE TO EVALUATE THE EFFECT OF SYSTEMATIC VARIATIONS OF SELECTED CONDITIONS OF REINFORCEMENT. EMPLOYED AS SUBJECTS WERE THREE GROUPS OF CHILDREN (MENTALLY HANDICAPPED, INTELLECTUALLY NORMAL, AND INTELLECTUALLY SUPERIOR), ALL OF WHOM HAVE MENTAL AGES (REVISED STANFORD-BINET, FORM L) WITHIN THE 9 TO 12-YEAR…
Descriptors: Individual Testing, Learning Processes, Mental Retardation, Problem Solving
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Holzman, Thomas G.; And Others – Journal of Educational Psychology, 1983
The cognitive determinants of number series completion performance were studied by presenting a systematic set of problems to college adults and to average- and high-IQ elementary school children. In each group, a combination of process and content-knowledge variables accounted for more than 70 percent of the variance in solution difficulty.…
Descriptors: Age Differences, Cognitive Ability, Difficulty Level, Epistemology