Are you sure?
Sunday, July 10th, 2011For various reasons I’ve been thinking a lot recently about confidence-based marking. (Tony Gardner-Medwin, who does most of the work in this area also calls it ‘certainty-based marking’). The principle is that you get most marks for a correct response that you are sure is right, fewer for a correct response that you are not sure about. But at the opposite end of the scale, you tend to get a penalty for an incorrect response that you were sure was right. (more…)