In our study of Boston Consulting Group, where previously the gap between the average performances of top and bottom performers was 22 percent, the gap shrank to a mere 4 percent once the consultants used GPT-4. In creative writing, getting ideas from AI “effectively equalizes the creativity scores across less and more creative writers,” according to one study. And law students near the bottom of their class using AI equalized their performance with folks at the top of the class (who actually saw a slight decline when using AI). The authors of the study concluded, “This suggests that AI may
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