Evaluate Impact of Increasing Stranger Content in Feeds
MetaData Scientist · Technical Screen
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This interview question evaluates metric design, causal reasoning, experiment setup, diagnostics, SQL/statistical checks, and recommendations in a realistic interview setting. A strong answer for Evaluate Impact of Increasing Stranger Content in Feeds states assumptions, handles edge cases, explains trade-offs, and shows how to validate the result clearly.
Scenario
Feed-ranking strategy: users interact more with friends’ posts; consider surfacing more stranger content.
Question
Given evidence that users are more social when interacting with friends’ posts, would you increase the proportion of unconnected (stranger) posts in their feed? Outline how you would evaluate and decide.
Hints
Discuss hypotheses, success metrics, experiment design, user segmentation, and potential trade-offs (engagement vs. discovery).
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