Measure Billboard Campaign Impact: Design, Bias, Test Strategy
Company: Pinterest
Role: Data Scientist
Category: Analytics & Experimentation
Difficulty: medium
Interview Round: Onsite
Overview: Measure Billboard Campaign Impact: Design, Bias, Test Strategy evaluates metric design, causal reasoning, experiment setup, diagnostics, SQL/statistical checks, and recommendations in a realistic interview setting. A strong answer states assumptions, handles edge cases, explains trade-offs, and shows how to validate the result clearly.