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Glossary · Laws and biases

Zeigarnik effect

Short answer

The Zeigarnik effect is the tendency to remember unfinished or interrupted tasks better than finished ones, because open tasks keep tugging at your attention.

Updated

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Zeigarnik effect explained

Unfinished tasks create a kind of mental tension. That is why an open loop can nag at you all evening, and also why starting a task, even briefly, makes it easier to return to.

Writing an open task down with a clear next step helps release the tension without having to finish it.

Try it today

  1. Start a dreaded task for five minutes to put it on your mind's radar.
  2. At the end of the day, write down every open loop with its next step.
  3. Close the day with a short shutdown routine.

Where it comes from

Psychologist Bluma Zeigarnik reported the effect in her 1927 doctoral study under Kurt Lewin, published in Psychologische Forschung.

Frequently asked questions

What is the Zeigarnik effect?
The Zeigarnik effect is the tendency to remember unfinished or interrupted tasks better than finished ones, because open tasks keep tugging at your attention.
Where does the Zeigarnik effect come from?
Psychologist Bluma Zeigarnik reported the effect in her 1927 doctoral study under Kurt Lewin, published in Psychologische Forschung.
How do I start with the Zeigarnik effect?
Start a dreaded task for five minutes to put it on your mind's radar. At the end of the day, write down every open loop with its next step. Close the day with a short shutdown routine.
Which tools help with the Zeigarnik effect?
Tools in our directory that help include Todoist, Things 3, TickTick, Notion. Each has its own page with pricing, pros and cons.

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