The Psychology of Unfinished Business in Product Design

Omogoye Precious Deborah
Bootcamp
Published in
4 min readJul 5, 2024

Have you ever spent all day thinking about not losing your streak on Duolingo or Snapchat?

Well in my case it was the new Youversion Bible app. The Youversion has a streak feature that basically keeps a streak every day when you open the app and read at least one verse and as I spent all day thinking of keeping my streak today, it hit me that this was the Zeigarnik effect at work.

In psychology, the Zeigarnik effect, named after Lithuanian-Soviet psychologist Bluma Zeigarnik, occurs when an activity that has been interrupted may be more readily recalled.

It states that people remember unfinished or interrupted tasks better than completed tasks.

The Zeigarnik Effect is a psychological phenomenon where people remember uncompleted or interrupted tasks better than completed ones. This concept is incredibly powerful in the realm of UX design, encouraging user engagement and retention.

Some of your favorite apps and websites uses Zeigarnik effect to keep you coming back for more like Snapchat, Netflix, Duolingo and the likes

Snapchat

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Snapchat has masterfully integrated the Zeigarnik Effect through its streak feature. By creating a streak, users are motivated to send snaps to their friends daily to keep the streak alive.

The incomplete task of maintaining the streak keeps users returning to the app, fostering habitual usage and increased engagement.

Duolingo

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Duolingo, the popular language-learning app, also uses streaks to encourage daily practice.

Each day users complete a lesson, their streak continues, compelling them to return daily to avoid breaking the streak. This uncompleted task of learning a new language keeps users motivated and committed to their language goals.

LinkedIn

Photo by Greg Bulla on Unsplash

LinkedIn integrates the Zeigarnik effect by promoting users to complete their profiles by showing a progress bar and highlighting the benefits of a complete profile. The incomplete profile acts as a constant reminder, driving users to finish their profiles for better visibility and professional opportunities.

Netflix

Photo by Thibault Penin on Unsplash

Netflix uses the Zeigarnik Effect with its “Continue Watching” feature. By reminding users of partially watched shows or movies, Netflix draws them back to finish what they started, ensuring continuous engagement with the platform.

Other habit-tracking apps

Photo by Denis Cherkashin on Unsplash

Habit-Tracking Apps also use this Zeigarnik Effect by showing users their progress towards building a habit. The visible record of uncompleted tasks encourages users to return and complete their daily activities, reinforcing positive habits.

The Zeigarnik Effect is a powerful tool in UX design, effectively driving user engagement and retention.

By strategically incorporating incomplete tasks, apps like Snapchat, Duolingo, LinkedIn, and Netflix have been able to keep their users coming back, enhancing the overall user experience.

Understanding and utilizing psychological principles like the Zeigarnik Effect can significantly improve the design and functionality of digital products, making them more engaging and user-friendly.

I would like to hear from you, what is the one app you cannot do without, every single day?

Photo by The Average Tech Guy on Unsplash

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Bootcamp
Bootcamp

Published in Bootcamp

From idea to product, one lesson at a time. Bootcamp is a collection of resources and opinion pieces about UX, UI, and Product. To submit your story: https://tinyurl.com/bootspub1

Omogoye Precious Deborah
Omogoye Precious Deborah

Written by Omogoye Precious Deborah

My design philosophy revolves around user-centricity and the power of simplicity. I believe that the best designs understands and meet the needs of their users.