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The Zeigarnik Effect
The Zeigarnik Effect describes how people remember uncompleted or interrupted tasks better than completed ones. This psychological phenomenon was discovered by Russian psychologist Bluma Zeigarnik in the 1920s. It explains why cliffhangers in TV shows are so effective and why open browser tabs feel mentally taxing.
Waiters can remember complex orders while serving but often forget them immediately after delivering the food!
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