You work on a product with social or multiplayer interactions and want to A/B test a new feature that changes how users connect, invite, or play together. The feature could affect not just treated users, but also the people they interact with, and early results may look noisy or unusually strong.
What would you watch out for when running an experiment on a social or multiplayer feature? How would those risks affect your experiment design, analysis, and interpretation of the results?
Awareness of network interference and SUTVA violationsChoice of primary metric and guardrailsPower analysis with explicit MDEPeeking and sample ratio mismatch discipline