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Reasoning Strategies Used by Students to Solve Stoichiometry Problems and Its Relationship to Alternative Conceptions, Prior Knowledge, and Cognitive Variables.
Peer reviewed Peer reviewed
Rohas de Astudillo, Luisa; Niaz, Mansoor – Journal of Science Education and Technology, 1996
Investigates reasoning strategies students use in solving stoichiometric problems and explores the relation between these strategies and alternative conceptions, prior knowledge, and cognitive variables. Results show how stoichiometric relations produce conflicting situations for students leading to conceptual misunderstanding of certain concepts.…
Descriptors: Chemistry, Cognitive Ability, Foreign Countries, Misconceptions
Assessment of Expert-Novice Chemistry Problem Solving Using HyperCard: Early Findings.
Peer reviewed Peer reviewed
Kumar, David D. – Journal of Science Education and Technology, 1993
Results of a HyperCard method for assessing the performance of expert and novice high school chemistry students solving stoichiometric chemistry problems (balancing chemical equations) is reported. MANOVA results indicate significant difference between expert and novice students solving the five stoichiometric chemistry problems using…
Descriptors: Chemistry, Computer Assisted Instruction, Educational Research, High Schools