Theory of Change: This diagram illustrates the theory of change for the research. 140 participants are sorted into one of four treatments, wherein they will review 40 elbow x-rays and draw their diagnoses (a) before receiving feedback, (b) after receiving feedback, or (c) before and after receiving feedback. A control group will not draw at all during the experimental task. Each treatment targets unique cognitive activities during image interpretation in learning. Analyses on learner performance within each treatment will determine which cognitive activity drawing best supports. M. Cirigliano © 2017

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