The Zeigarnik Effect: Understanding the Power of Unfinished Tasks

Abishek Raj
3 min readApr 16, 2023

Introduction

Have you ever found yourself struggling to focus on a task, only to become completely engrossed once it’s interrupted? Or felt an urge to complete an unfinished project even after a long break from it? If so, you’ve experienced the Zeigarnik Effect.

Named after Soviet psychologist Bluma Zeigarnik, the Zeigarnik Effect is the phenomenon where people tend to remember unfinished tasks better than completed ones. According to Zeigarnik, the human brain is wired to remember incomplete or interrupted tasks because they create a sense of tension or cognitive dissonance that demands resolution.

Zeigarnik first observed the effect in a study she conducted in the 1920s. She asked participants to complete a series of simple tasks, such as stringing beads or solving puzzles. She found that participants remembered the unfinished tasks better than the completed ones, even when they were asked to recall the tasks after a delay.

Since then, researchers have conducted numerous studies to understand the Zeigarnik Effect and its implications.

Key Findings

The Zeigarnik Effect improves memory and learning

The Zeigarnik Effect has been shown to enhance memory and learning. When people are interrupted while working on a task, their brains create a “memory trace” that helps them remember the task better. This is why taking breaks during study or work sessions can be beneficial for memory retention.

The Zeigarnik Effect can increase motivation

The Zeigarnik Effect can also increase motivation to complete a task. When a task is left unfinished, it creates a sense of discomfort that can only be resolved by completing the task. This discomfort can motivate people to finish the task and reduce the tension.

The Zeigarnik Effect can lead to procrastination

However, the Zeigarnik Effect can also lead to procrastination. When people have too many unfinished tasks, the tension created by the incomplete tasks can become overwhelming and lead to avoidance behavior. This is why it’s important to prioritize tasks and break them down into manageable steps.

The Zeigarnik Effect can be used in marketing

The Zeigarnik Effect can also be used in marketing. By creating a sense of unfinished business, marketers can increase consumers’ desire to complete a task or purchase a product. For example, a company may offer a free trial of a product with the hope that consumers will feel the need to complete the purchase.

Some examples of Zeignarnik effect are listed below,

  1. TV shows: TV shows are designed to use the Zeigarnik Effect to keep viewers engaged from one episode to the next. By ending each episode with a cliffhanger or unresolved conflict, the show creates a sense of tension that makes viewers want to watch the next episode to find out what happens next.
  2. Video games: Video games also use the Zeigarnik Effect to keep players engaged. By breaking down a game into smaller quests or missions, players are constantly working towards completing something, which creates a sense of tension and motivation to keep playing.
  3. Unanswered emails: Have you ever felt the urge to check your email repeatedly until you receive a response to an important message? This is because the Zeigarnik Effect creates a sense of tension and unresolved business that demands resolution.
  4. Unfinished tasks at work: Unfinished tasks at work can lead to increased motivation to complete them. This is because the Zeigarnik Effect creates a sense of discomfort that can only be resolved by finishing the task.

Conclusion

Understanding the Zeigarnik Effect can help us better manage our tasks and increase productivity. By prioritizing tasks, taking breaks, and breaking down tasks into manageable steps, we can harness the power of the Zeigarnik Effect to our advantage. So the next time you’re struggling to focus on a task, try taking a break and see if the Zeigarnik Effect kicks in.

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Abishek Raj

Designing for people, not pixels. Simplifying complex interactions through thoughtful design.