Product Experiment Design Framework

Design a comprehensive product experiment to test [hypothesis about user behavior or feature impact]. Include: 1) Detailed hypothesis statement in 'If-Then-Because' format, 2) Independent and dependent variables with operational definitions, 3) Experimental design type (A/B, multivariate, switchback, etc.) with rationale, 4) Sampling strategy and required sample size calculation, 5) Control for confounding variables, 6) Implementation specifications, 7) Data collection plan, 8) Analysis methodology including statistical tests, 9) Decision criteria for success/failure, and 10) Follow-up actions based on potential outcomes.