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Peer reviewedAnamuah-Mensah, Jophus; And Others – Journal of Research in Science Teaching, 1987
Reported the development and validation of an integrated model of performance on chemical concept-volumetric analysis. Model was tested on 265 chemistry students in eight schools.Results indicated that for subjects using algorithms without understanding, performance on volumetric analysis problems was not influenced by proportional reasoning…
Descriptors: Academic Achievement, Chemistry, Cognitive Processes, Grade 12
Peer reviewedHesse, Joseph J., III; Anderson, Charles W. – Journal of Research in Science Teaching, 1992
Presents results of intensive clinical interviews with 11 high school chemistry students representing a broad range of achievement levels as selected from 180 students who completed a written test upon completion of an instructional unit on chemical change. Results indicate that students commonly experience difficulties in chemical knowledge,…
Descriptors: Case Studies, Chemical Reactions, Chemistry, Cognitive Ability
Peer reviewedLock, Roger – Journal of Research in Science Teaching, 1992
Utilized an experimental design structure across 4 scientific contexts which tested 18 boys and 18 girls who were closely matched for ability levels and curriculum background. No gender differences were detected in the scientific contexts of observation, reporting, or planning skills, and there was no differential performance on the use of…
Descriptors: Biology, Chemistry, Cognitive Ability, Cognitive Processes
