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Compare Instagram and Facebook Stories Using Key Performance Metrics

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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 Compare Instagram and Facebook Stories Using Key Performance Metrics states assumptions, handles edge cases, explains trade-offs, and shows how to validate the result clearly.

Scenario

Comparing Instagram Stories with Facebook Stories performance.

Question

How would you quantitatively compare the success of Instagram Stories versus Facebook Stories? 2. What metrics and experimental or analytical methods would you employ?

Hints

Think DAU posting, views per story, completion rate, time spent; consider matched-pairs or A/B tests across markets.