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On days with caffeine, the variance of values for productivity during the day was lower than on placebo days.

Created by niplav on 2023-06-27; known on 2023-12-31; judged wrong by niplav on 2023-06-27.

  • niplav estimated 40% on 2023-06-27
  • niplav   judged this prediction wrong on 2023-06-27.