The authors example data collected by RiPPLE, "an adaptive educational system that dynamically modifies the level or form of instruction based on individual student skills or preferences," to study four aspects of peer assessment: individual reviews, assigning grades, feedback on reviews, and instructor oversight. For example, "we developed three quality control functions that automatically analyse the quality of provided comments and encourage students to improve their textual feedback." As a result, they found that "providing students with training, self-monitoring, and quality control features can help them offer lengthier and more useful comments to other peers.
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