Back to cases
MetaProduct SenseHard~25 min
Instagram Reels on Newsfeed
Facebook is integrating Reels into the main Newsfeed experience. This is a major surface change that could boost short-form video consumption but risks cannibalizing existing content types. You need to design the experiment and measurement plan.
Duration
~25 minutes
Difficulty
Hard
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 designCannibalization analysisMetric tradeoffs
Interview stages
1
Design the experiment
2
Handle cannibalization
3
Interpret mixed results
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.