Determine Impact of Re-share Button on User Engagement
Company: Meta
Role: Data Scientist
Category: Analytics & Experimentation
Difficulty: medium
Interview Round: Technical Screen
##### Scenario
A PM suspects the "Re-share" feature is harming overall user engagement on the platform.
##### Question
How would you determine whether the Re-share button negatively impacts engagement? Which metrics or data sources would you analyze? How would you design and execute an experiment to test this hypothesis?
##### Hints
List core and guardrail metrics, propose A/B or diff-in-diff design, discuss segmentation, statistical power, experiment duration, and potential confounders.
Quick Answer: This question evaluates proficiency in experimental design, causal inference, metric selection, and statistical analysis for product analytics, and it specifically targets the Analytics & Experimentation domain for Data Scientist roles.