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How to ThinkIn the Age of AI
Definitionv1DF-461

Judgment errors

errors that occur when you had the right information but assessed it incorrectly. You saw the warning signs and dismissed them, weighed factors incorrectly, or predicted outcomes systematically wrong.

Why This Is a Definition

This definition precisely establishes 'judgment errors' by identifying their genus (errors of cognitive failure) and differentia (having correct information but incorrect assessment). It distinguishes judgment errors from execution errors and knowledge errors by specifying that the problem is in the evaluation and reasoning process rather than in execution or information acquisition, and emphasizes that these errors are hardest to fix because they feel indistinguishable from correct reasoning in the moment.