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| Criterion |  Product Strategy ICE Scoring |  Operations 5 Whys |  Growth A/B Testing |  Product Discovery Smoke Test |
|---|---|---|---|---|
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 single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. | 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 demand only needs to be roughly verified, it tests interest with minimal effort. It measures whether people would take a next step at all. |
Complexitydifferent | Low | Low | High | Low |
Timedifferent | 30-60 min | 15-30 min | 1-4 Wochen | 1-5 Tage |
Participantsdifferent | 2-8 | 2-6 | 1-6 | Nutzertraffic |
Formatdifferent | Workshop + async | Workshop | Async | Async |
Outputdifferent | ICE Table, Top Idea List | Root cause notes, Countermeasures | Experiment results, Decision log, Learning summary | Interest Metrics, Conversion Signal, Learning Note |
Tagsno overlap | PrioritizationScoringGrowthDecision | Root causeIncidentLeanProblem solving | ExperimentsGrowthAnalyticsValidation | ValidationExperimentsDemandGrowth |