Elements of Proximal Formative Assessment in Learners’ Discourse about Energy
B. W. Harrer, R. E. Scherr, M. C. Wittmann, H. G. Close, and B. W. Frank, "Elements of Formative Assessment in Learners' Discourse about Energy," C. Singh, M. Sabella, and Engelhardt (Eds.), AIP Conf. Proc. (2011 Physics Education Research Conference)
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