Ali Demirbaş - Lab
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UI Elements

Auto-Advancing to the Next Step: Flow A/B Test Idea

Automatically moving on after a selection removes a separate Continue action.

  • UI elements
  • Flow completion rate

Control vs Variant

What the interface does on its own is the variable.

Changed
Behavior
Page
UI elements
Difference
changed

Hypothesis

It may save time, but an accidental choice can advance before the user is ready. Limit the comparison to reversible steps, preserve entered data, and make it easy to go back.

How to run this test

Primary metric

Flow completion rate

Compare eligible assigned visitors who reach the predefined final step in the same reversible flow.

Other metrics

  • Return rateMeasure users who go back after an automatic transition, using the progression event as the denominator.
  • Correction after unintended selectionCount selections users reverse or change within the same follow-up window.
  • Flow completion timeMeasure time among visitors who complete the flow and report non-completions separately.

What to check before and during the test

  • Auto-advanceCompare automatic progression after selection with manual progression using a Continue button.
  • ErrorsTrack how often users advance with the wrong selection.
  • Back navigationMake it easy to go back and preserve entered data.
  • DelayUse immediate progression as defined; adding a delay is a separate comparison.
  • DeviceCheck whether accidental advances are more common on mobile.

Setup mistakes to avoid

  1. 1Do not auto-advance after an irreversible step.
  2. 2Do not auto-advance into payment or final confirmation.
  3. 3Change progression behavior only, not the number of steps.
  4. 4Preserve entered data when users move back.
  5. 5Do not choose a winner from speed alone; review errors.