Coursera plans to handle 'soft' courses, such as those in the humanities, using peer assessment. Research shows peer assessments result in reliable grading. But as noted here, "peer assessment in a class of thirty is very different than peer assessment in a class of several thousand." The account posted by Laura Gibbs is especially telling. "There is going to be a whole range of feedback, from the very zealous people who give feedback longer than the essay itself, to the grammar police (yes, they are everywhere), to the ill-informed grammar police, and on down to the 'good job!' people with their two-word comments, and finally the people who commented not in English or who offered incomprehensible comments that had been translated by Google Translate." Which just tells me that free-form 'pretend you are a teacher' peer feedback isn't going to work for MOOCs.
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