Hart (1965)

Feeling of Knowing Metacognition

• Definition

  The feeling of knowing (FOK) is the judgment, made after failing to recall an answer, that the answer is nonetheless stored and would be picked out on a later recognition test; it was introduced with the recall–judgment–recognition procedure, in which people try to recall, rate their FOK, and then take a recognition test

• Measured in AI

  Not yet compared: no study found through September 2026 gives an AI the recall–judgment–recognition procedure (fail to produce an answer, rate whether it would be recognized, then take a recognition test), with or without a human baseline, so there are no AI results on the ability as psychologists measure it