Good decision-making does not mix values with facts

Making good decisions requires objectivity and accurate predictive judgments, without skew from values and emotions.

A widely accepted maxim of good decision making is that you should not mix your values and your facts. Good decision making must be based on objective and accurate predictive judgments that are completely unaffected by hopes and fears, or by preferences and values.[1]

Predictive judgments are “involved in every decision, and accuracy should be their only goal. Keep your values and your facts separate.”[2]


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See also:


  1. Noise – Kahneman, et. al. (2021), ch. 5, § “The Cost of Noise.” ↩︎

  2. Ibid., ch. 5, § “Speaking of the Error Equation.” ↩︎