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Students' Dilemmas in Reaction Stoichiometry Problem Solving: Deducing the Limiting Reagent in Chemical Reactions
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Chandrasegaran, A. L.; Treagust, David F.; Waldrip, Bruce G.; Chandrasegaran, Antonia – Chemistry Education Research and Practice, 2009
A qualitative case study was conducted to investigate the understanding of the limiting reagent concept and the strategies used by five Year 11 students when solving four reaction stoichiometry problems. Students' written problem-solving strategies were studied using the think-aloud protocol during problem-solving, and retrospective verbalisations…
Descriptors: Stoichiometry, Protocol Analysis, Chemistry, Problem Solving
Investigation of a Pattern between Students' Engagement in Argumentation and Their Science Content Knowledge: A Case Study
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Eskin, Handan; Ogan-Bekiroglu, Feral – EURASIA Journal of Mathematics, Science & Technology Education, 2009
The aim of this study was, first, to investigate any pattern between students' quantitative contribution to argumentation and their science understanding, and second, to analyze any relationship between students' qualitative contribution to argumentation and their scientific knowledge. Participants of the study were four tenth-grade students. The…
Descriptors: Foreign Countries, Persuasive Discourse, Grade 10, Physics