Of the following hypothetical reforms in trial procedure, which one would the author be most likely to support as the...

Hi, I read the explanation already provided to user Shiyi, however, I thought that the explanation of a presiding judge's duty toward minimizing juror inferential error was an indicator that judges are already trained in this tendency, and therefor, specific training alone would not be sufficient. Rather, the training should incorporate cognitive research from psychologists. It doesn't seem that answer D appropriately states the nature of training that would be necessary to make this answer correct.