Cognitive Scaffold

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MENTAL MODEL · M4926

Zeigarnik Effect

Zeigarnik Effect
Learn & MetacognitionHigh supportMemory Psychology
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Updated 2026-08-02

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INTRODUCTION

English translation pending.

CORE DEFINITION

Observed by the psychologist Bluma Zeigarnik, the Zeigarnik effect describes the tendency to recall uncompleted or interrupted tasks more readily than completed ones. The finding was interpreted as evidence that unfinished goals maintain a state of tension that keeps them active in memory until they are closed. The effect explains why cliffhangers and open questions hold attention. Key qualification: later research found the effect inconsistent, depending on motivation and on how the interruption occurred.

SCAFFOLDING EFFECT

psychology

Reduce cognitive load

- Open a loop: leave a question or unresolved tension in place to hold attention. - Close deliberately: finish or explicitly park a task to release the mental tension it creates. - Chunk the work: stop at a defined point so unfinished pieces do not accumulate.

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Anchor fast decisions

An unfinished goal keeps a representation active in memory because the intention has not been discharged, which makes the task more available to recall. Completing the task closes the loop and releases the tension, after which recall drops sharply. The effect therefore depends on the goal remaining genuinely unfinished rather than merely paused for a moment.

MINIMUM ACTION

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Source support: Explicit

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    en.wikipedia.orghttps://en.wikipedia.org/wiki/Zeigarnik_effectZH · Explicit
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