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The Halo Effect: How a New Procedure Can Improve Your Grading
The lack of coherence left me uncertain and frustrated. The consistency I had enjoyed earlier was spurious. It produced a feeling of cognitive ease, and my system too was happy to lazily accept the final grade. By allowing myself to be strongly influenced by the first question in evaluating subsequent ones,. I spared myself the dissonance of finding the same student doing very well on some questions and badly on others.