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Direct linkBaranski, Joseph V. – Journal of Experimental Psychology: Applied, 2007
Sixty-four adults participated in a study examining the accuracy of metacognitive judgments during 28 hr of sleep deprivation (SD) and continuous cognitive work. Three tasks were studied (perceptual comparison, general knowledge, and mental addition), collectively spanning a range of cognitive abilities and levels of susceptibility to SD.…
Descriptors: Fatigue (Biology), Task Analysis, Sleep, Mental Computation
Peer reviewedHo, Eric D. F.; And Others – Journal of Autism and Developmental Disorders, 1991
A Chinese mentally retarded calendar savant (age 19) was evaluated for his exceptional proficiency in calendar calculation including converting the Gregorian calendar to the Chinese calendar. Results did not support hypotheses of use of eidetic imagery, high speed calculation, rote memorization, or keying-off (anchoring) strategies. (Author/DB)
Descriptors: Case Studies, Cognitive Ability, Cognitive Processes, Computation
Download full textSuydam, Marilyn N., Ed.; Kasten, Margaret L., Ed. – Investigations in Mathematics Education, 1988
This publication is a compilation of abstracts and critical comments for 12 published investigations in mathematics education. Information for each study includes: purpose; rationale; research design and procedures; findings; and interpretations. For each study abstractor's comments also provide a brief critique. Topics include: planning problem…
Descriptors: Arithmetic, Assignments, Cognitive Ability, Computation
