Decide
Explained match
Effort: Medium
What to notice
A "Plan B fits you" result comes with three reasons.
How to build it
- Record which answers drove the result.
- Show those answers as reasons alongside the result.
- Show how to pick a different option.
Measure
- Main metric
- Sign-up rate from results
- Guardrail
- Switches away from the recommended plan
When it backfires
A quiz that returns the same result regardless of answers deceives users.
Theory behind it
Self-Determination Theory
People keep going on their own when they feel autonomy, competence, and relatedness.
Well supported
Commitment and consistency (foot in the door)
People who agree to a small request are more likely to agree to a larger one later.
Contested
IKEA effect
Things people build themselves feel more valuable than the same things made by others.
Limited evidence
Playable demos
Try the same mechanism in a playable demo.