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Bitner-Corvin, Betty L. – 1988
The purposes of this descriptive-predictive study were to investigate the logical and critical thinking abilities of a sample of sixth through twelfth grade students (N=173) and to determine whether logical thinking processes are predictors of critical thinking abilities and academic achievement. The instruments administered in this study were (1)…
Descriptors: Academic Achievement, Cognitive Processes, Critical Thinking, Formal Operations
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Shayer, Michael; Adey, Philip S. – Journal of Research in Science Teaching, 1992
A 1-year lag was found between the effect of an intervention intended to promote formal operational thinking in students initially 11 or 12 years of age and the appearance of substantial science achievement in the experimental groups. A one-year lag on cognitive development and an age/gender interaction were also reported. (Author/KR)
Descriptors: Cognitive Ability, Cognitive Development, Cognitive Style, Critical Thinking
Zeitoun, Hassan Hussein – 1988
The purpose of this study was to investigate the relationship between the achievement of some abstract concepts in "molecular genetics" and prior knowledge, formal reasoning ability, and sex. The major findings of the study were: (1) prior knowledge had a high significant correlation with the achievement of abstract concepts; (2) the…
Descriptors: Abstract Reasoning, Achievement, Biology, Cognitive Development