Measure Billboard Campaign Effectiveness and Engagement Quantification
Company: TikTok
Role: Data Scientist
Category: Analytics & Experimentation
Difficulty: hard
Interview Round: Onsite
##### Scenario
Offline marketing: Pinterest places billboards in train stations to drive traffic and engagement.
##### Question
How would you measure the overall effectiveness of this billboard campaign? Define and quantify ‘engagement’ attributable to the billboard exposure. How can you estimate the size and characteristics of the population impacted by the billboards? Propose a framework to forecast potential incremental gains (sign-ups, sessions, revenue) in targeted areas.
##### Hints
Consider geo-lift, difference-in-differences, synthetic controls, tracking URLs/QR codes, baseline trends.
Quick Answer: This question evaluates a data scientist's competency in causal inference, offline-to-online attribution, engagement quantification, and forecasting of incremental metrics using statistical and analytical techniques.