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Direct linkGulacar, Ozcan; Overton, Tina L.; Bowman, Charles R.; Fynewever, Herb – Chemistry Education Research and Practice, 2013
A coding scheme is presented and used to evaluate solutions of seventeen students working on twenty five stoichiometry problems in a think-aloud protocol. The stoichiometry problems are evaluated as a series of sub-problems (e.g., empirical formulas, mass percent, or balancing chemical equations), and the coding scheme was used to categorize each…
Descriptors: Stoichiometry, Protocol Analysis, Chemistry, Science Instruction
