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Evaluate the Health of Facebook Groups

MetaData Scientist · Onsite
HardData ScientistOnsiteAnalytics & Experimentation

Last updated

Evaluates Facebook Group health metrics and threaded-comments experiment design. Strong answers define normalized health scores, compare small and large groups fairly, and test deep interaction with safety guardrails.

Scenario: Groups range from intimate hobby clubs to massive public communities. Leadership wants a single ‘health’ score, while engineers plan to launch Reddit‑style threaded comments. You need to pick health metrics, compare small vs large Groups, and validate whether the new UI improves deep discussion.

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Question 1: Which metrics would you track to measure Group health? (Hint: share of active members, lurker ratio, violation rate)

Question 2: How would you compare performance between large and small Groups? (Hint: scale‑normalised engagement per capita)

Question 3: If Reddit‑style comment threads are introduced, how would you test for interaction lift? (Hint: A/B design, retention, depth of discussion)