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Singh, Parmjit – International Journal of Mathematical Education in Science and Technology, 2000
Investigates the concepts of ratio and proportion constructed by grade 9 students by investigating their proportional reasoning schemes and procedures on three types of tasks: missing value, numerical comparison, and qualitative reasoning. Indicates that students frequently used additive reasoning--that is, a comparison of two numbers by…
Descriptors: Abstract Reasoning, Cognitive Processes, Concept Formation, Foreign Countries

Dreyfus, Amos; Mazouz, Yossef – Research in Science and Technological Education, 1992
Assesses the ability of tenth grade students (n=364) to acquire meanings of graphs that are frequently used in their biology textbooks. Indicates that the main source of failure to process information equally well from tables and graphs was not a lack of basic analytical skills but rather a lack of understanding of the relationship between…
Descriptors: Abstract Reasoning, Biology, Cognitive Processes, Critical Thinking

Peterson, Candida C.; Peterson, James L. – American Annals of the Deaf, 1989
A study comparing 65 deaf and hearing Australian children, aged 7-13, found that deaf subjects were delayed in number and liquid conservation, but equally mature in justice reasoning. Deaf subjects were less likely to disagree with a reward allocation proposed by an adult and to make cognitive progress when encountering conflict. (Author/JDD)
Descriptors: Abstract Reasoning, Cognitive Development, Comparative Analysis, Conflict
Jegede, Olugbemiro J.; Noordink, Peter – 1993
This study investigated the perception of university teachers regarding what critical thinking skills are needed for successful undergraduate study, and determined the relative importance of these skills within and across academic disciplines. A total of 31 university teachers in 6 academic disciplines of Physical Sciences, Biological Sciences,…
Descriptors: Abstract Reasoning, Academic Achievement, College Faculty, 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