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MENTAL MODEL · M3043

Metacognitive Illusion

Metacognitive Illusion
Learn & MetacognitionmediumCognitive Science
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Updated 2026-07-31

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INTRODUCTION

English translation pending.

CORE DEFINITION

Metacognitive illusion is the general class of errors in which people misjudge their own cognitive state, and its most studied instance is the fluency illusion: text that is easy to read is mistaken for text that has been learned. The ease of processing comes from familiarity with the surface form rather than from retrieval strength, so learners overestimate what they can recall. The concept belongs to research on metacognition and study strategy, and its key condition is that judgements of learning rest on cues available during study rather than on evidence of performance.

SCAFFOLDING EFFECT

psychology

Reduce cognitive load

- False confidence alarm: Ease of reading is a warning sign, not a mastery signal. - Retrieval check: Verify learning by producing answers, not by re-reading. - Difficulty signal: The friction of genuine processing marks exactly where learning is happening.

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Judgements of learning are made from whatever cues are available at the moment, and processing fluency is the most salient of them. Fluent text feels easy, and ease is interpreted as understanding, so the learner stops. But fluency reflects prior exposure to the words and structure, not the ability to retrieve or apply the content, so the estimate is systematically inflated. Re-reading makes the text even more fluent, which raises confidence while leaving retrieval strength almost unchanged, so the gap only becomes visible under test conditions.

MINIMUM ACTION

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Source support: Explicit

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