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RedditProduct SenseMedium~25 min
Onboarding Personalization Experiment
Reddit is redesigning new-user onboarding. Current: shows popular subreddits. Proposed: personalized recommendations based on stated interests. Design the experiment and evaluate the results.
Duration
~25 minutes
Difficulty
Medium
Free
Your first session · then $3 per session
- ~25 minute AI-powered mock interview
- Realistic interviewer pushback
- Stage-by-stage debrief with ratings
- Signal coverage map
- Reference response for comparison
Sign up free with Google · No card required
Skills tested
Experiment designData interpretationTradeoff reasoningReddit-specific awareness
Interview stages
1
Design the experiment
2
Interpret mixed results
3
Final recommendation
What you'll get back
After the session, you'll get a detailed debrief: stage-by-stage ratings (Strong / Developing / Weak), a signal coverage map showing which key points you hit, specific feedback on your reasoning and communication, and a reference response to compare against.