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| Criterion |  Product Strategy ICE Scoring |  Operations A3 Problem Solving |  Growth A/B Testing |  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. | For a complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit together. | 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. | 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 | Medium | High | High |
Timedifferent | 30-60 min | 45-90 min | 1-4 Wochen | 2-8 h |
Participantsdifferent | 2-8 | 2-5 | 1-6 | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Async | Workshop + async |
Outputdifferent | ICE Table, Top Idea List | A3 Report, Action Plan, Root Cause Analysis | Experiment results, Decision log, Learning summary | Problem Analysis, Decision Analysis, Risk Plan |
Tagsno overlap | PrioritizationScoringGrowthDecision | LeanProblem solvingCoachingOperations | ExperimentsGrowthAnalyticsValidation | Problem solvingRoot causeDecisionOperations |