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A/B Experiment Assignment Schema
A medium Data Modeling mock interview question on DataDriven. Practice with AI-powered feedback, real code execution, and a hire/no-hire decision.
- Domain
- Data Modeling
- Difficulty
- medium
- Seniority
- senior
Interview Prompt
We run product experiments across our consumer app. When a user is assigned to an experiment, we need to track which variant they saw and when. Analysts need to compute metric lifts between variants. Design the data model to support experimentation analysis.
How This Interview Works
- Read the vague prompt (just like a real interview)
- Ask clarifying questions to the AI interviewer
- Write your data modeling solution with real code execution
- Get instant feedback and a hire/no-hire decision