Meta Data Scientist Analytics & Experimentation Interview Questions
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Identify User Interest in Group Video Calls Using Data
Group Video-Calling Feature Analysis Context You are asked to design, launch, and analyze a new group video-calling feature for a large social/messagi...
Evaluating a 15 % reduction in post‑card height
Scenario You own the feed UX for a social app. Designers propose shrinking each post card’s height by 15% to show more content per scroll, aiming to i...
Design an Experiment to Evaluate New Recommendation Model
Experiment Design: New Ads Ranking Model vs. Current System Context You are evaluating a newly built ML ranking model for an ads recommendation surfac...
Evaluate the Success of Instagram Checkout
Scenario You are evaluating whether to launch Instagram Checkout, which allows users to purchase products without leaving Instagram. Your task is to a...
How to Validate Friends' Content Engagement Hypothesis?
Evaluating Friends' vs Unconnected Content in the Info Stream Context The Info Stream currently prioritizes content from a user's friends. The product...
Design Experiment to Evaluate New Video-Ad Effectiveness
Experiment Design: Measuring the Impact of a New Video‑Ad Format Context You are designing an experiment for a large consumer app that runs an ad auct...
Evaluate Metrics for Restaurant-Feature Impact and Engagement Trade-offs
Product Analytics Case: Restaurant Recommendations vs. New-Friend Suggestions Background You are a data scientist at a large social app. The app launc...
Advertising for local businesses boosting popular posts
Boosting Popular Posts for Local SMBs: Definitions, Success Metrics, and Diagnosing Low CTR Context You are evaluating an experiment where small, loca...
Analyze Free Shuttle Impact on Employee Participation Rates
Scenario You have panel data for 1,000+ sites over time (e.g., monthly). Some sites adopt free shuttle buses at different dates, while others never ad...
Evaluate Messenger's P2P Payments Feature for Business Viability
Facebook Messenger: Should We Add P2P Payments? Scenario Facebook Messenger is considering launching a Venmo-like peer-to-peer (P2P) money transfer fe...
Evaluate Instagram's Short-Video Recommender System Success
Evaluating a New Short‑Video Recommender Feed Context You are a data scientist preparing metrics and an A/B test plan to launch a new short‑video reco...
Determine Key Metrics for Circle's Success Evaluation
Circle (Group-like) Feature: Metrics and Retrospective Sizing Analysis Context You are evaluating a new social feature called Circle (similar to Group...
Evaluating the Facebook ‘Memory’ feature
Evaluating the Facebook Memories Feature Context You are a Data Scientist asked to assess whether the Memories feature (which resurfaces users' past p...
Uncover User Needs for Group Calling Effectively
Scenario You are the product analyst for a messaging platform planning to introduce a group-calling capability. You need to understand user needs, ben...
Track Success and Guardrail Metrics for Push Notifications
Push-Notification Metrics and Network-Aware Experiment Design Scenario You are designing and evaluating a new push-notification feature for a TripAdvi...
Validate Friend Content's Social Impact with Engagement Metrics
Assessing Whether Friend-Authored Content Is More "Social" Than Unconnected Content Background You have impression- and engagement-level logs for a so...
Measuring and mitigating fake news on Facebook
Measuring Fake-News Prevalence Under Reviewer Constraints Context Policy teams need an overnight view of fake-news prevalence on the platform, but onl...
Determine Demand for WhatsApp Group Video-Calls
Opportunity Sizing and Experimentation Plan for WhatsApp Group Video Calls Scenario WhatsApp is considering launching a new group video-call feature (...
Define Success Metrics for Circle Feature Evaluation
Scenario Measuring success and allocating resources for a new "Circle" posting feature in a social app. Circle lets a creator share posts with a small...
Building a restaurant‑recommendation feature with Nearby Friends signals
Real-time Nearby Eateries Recommendation (Meta) Context Meta wants to leverage real‑time, opt‑in location from Nearby Friends to recommend nearby eate...