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| Criterion |  Product Strategy ICE Scoring |  Growth A/B Testing |  Operations Root Cause Analysis |  Operations Kepner-Tregoe |
|---|---|---|---|---|
Purposedifferent | When ideas need sorting quickly, it condenses impact, confidence, and effort into one compact score. It connects customer value, product logic, and decision priorities. The result is captured as an ICE table and top-ideas list. | When two variants compete, discussions quickly decide by taste rather than effect. A/B Testing checks behavior under controlled conditions and separates real improvement from chance or expectation effects. | When a problem keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another. | For a disturbance that's hard to pin down, the method cleanly separates problem, cause, and decision. It reduces mixing when symptoms allow several interpretations. |
Complexitydifferent | Low | High | Medium | High |
Timedifferent | 30-60 min | 1-4 Wochen | 1-4 h | 2-8 h |
Participantsdifferent | 2-8 | 1-6 | 3-8 | 2-8 |
Formatdifferent | Workshop + async | Async | Workshop + async | Workshop + async |
Outputdifferent | ICE Table, Top Idea List | Experiment results, Decision log, Learning summary | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | Problem Analysis, Decision Analysis, Risk Plan |
Tagsno overlap | PrioritizationScoringGrowthDecision | ExperimentsGrowthAnalyticsValidation | Root causeProblem solvingQualityIncident | Problem solvingRoot causeDecisionOperations |