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| Criterion |  Product Strategy ICE Scoring |  Decision Making Constraint Analysis |  Operations Gemba Walk |  Operations ABC Analysis |
|---|---|---|---|---|
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 an initiative stalls, the limit often lies not in the idea but in hard or soft boundary conditions. Constraint Analysis separates these limits and shows which of them can actually be shaped. | When there is uncertainty about the real course of a process, the method brings observation to the place where work happens. It combines perception, follow-up questions, and process knowledge so decisions rest on actual workflows instead of assumptions. | With many similar objects of differing economic significance, the method prioritizes effort by effect. It separates what needs regular steering from what rarely needs attention. |
Complexitysame | Low | Low | Low | Low |
Timedifferent | 30-60 min | 30-90 min | 30-120 min | 30-60 min |
Participantsdifferent | 2-8 | 2-8 | 2-6 | 1-5 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Async |
Outputdifferent | ICE Table, Top Idea List | Constraint List, Hard/Soft Classification, Option Impact Notes, Decision Boundaries | Observation Notes, Improvement Ideas | ABC Classification, Focus Rules, Control List |
Tagsno overlap | PrioritizationScoringGrowthDecision | ConstraintsDecisionPlanningOptions | LeanObservationProcessOperations | PrioritizationOperationsPortfolio |