New user registrations using the Von Restorff and Zeigarnik effects

New user registrations using the Von Restorff and Zeigarnik effects

Rakuten TV is an over-the-top (OTT) digital distribution service, for both video-on-demand (VOD) and free ad-supported streaming television (FAST), providing movies, TV series, and live channels.

Celonis SE is a German data processing SaaS company that works to improve processes by continuously observing client workflows, removing bottlenecks, and signalling the right actions to capture value.

+200 employees across Europe

+3,500,000 users worldwide

A/B Testing

How can we draw the users attention and encourage them to sign up without affecting consumption?

How would I improve the Investigate value tool that Celonis offers with all its dashboards?

By having an omni-present alert badge within the menu, we could create a nudge for new Registration. This could increase conversion, as users who register upon landing would come to their first order with one less task to do, thereby reducing Checkout drop-off and increasing activation.

Control

Variant

There are 3 UX psychological elements I employed to achieve the hypothesis:

Nudge: Subtle hints can affect users’ decisions. Small cues or context changes can encourage users to make a certain decision without forcing them.

Von Restorff Effect: People notice, and remember, items that stand out more.

Zeigarnik effect: People remember uncompleted or interrupted tasks better than completed tasks.

The experiment details:

GrowthBook platform

15 days

UK, Spain, France, Italy, Germany

162,000 unregistered users

Success!

+17%

New user registrations

+94%

Ad consumption 1 month after testing

+88%

Ad consumption over 3 months

~0%

TVOD Orders over 3 months

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