Analyze Negative Reviews' Impact on Coupon Repurchase Rate

Q: Analyze Negative Reviews' Impact on Coupon Repurchase Rate

This question evaluates a data scientist's competency in causal inference, experimental design, and observational analytics, including the ability to define treatment and outcome, choose appropriate units and time windows, specify necessary exposure data, and address confounding.

Q: How do I approach Analytics & Experimentation interview questions?

Analytics & Experimentation questions require understanding of core concepts and practice. PracHub provides solutions with explanations to help you master analytics & experimentation interviews.

Question

Scenario

Management wants to measure how negative customer reviews affect the repurchase rate of a coupon.

Task

Design an analysis to quantify the causal impact of negative reviews on the probability that a user repurchases the same coupon. Specify:

The outcome, treatment, unit of analysis, and time windows.
The data you would need (including exposure to reviews).
A modeling and/or causal inference approach that isolates the review effect from confounders (e.g., matched cohorts, fixed effects, difference-in-differences, propensity scoring).

Analyze Negative Reviews' Impact on Coupon Repurchase Rate

Scenario

Task

Solution

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