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Direct linkGulacar, Ozcan; Fynewever, Herb – International Journal of Science Education, 2010
We present a quantitative model for predicting the level of difficulty subjects will experience with specific problems. The model explicitly accounts for the number of subproblems a problem can be broken into and the difficultly of each subproblem. Although the model builds on previously published models, it is uniquely suited for blending with…
Descriptors: Stoichiometry, Protocol Analysis, Difficulty Level, Problem Solving
