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| Criterion |  Product Strategy ICE Scoring |  Operations A3 Problem Solving |  Agile WSJF |  Operations 5 Whys |
|---|---|---|---|---|
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 many tasks compete for the same capacity, it orders work by economic impact. It makes time lost, benefit, and effort comparable together. | 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. |
Complexitydifferent | Low | Medium | High | Low |
Timedifferent | 30-60 min | 45-90 min | 45-90 min | 15-30 min |
Participantsdifferent | 2-8 | 2-5 | 3-10 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop |
Outputdifferent | ICE Table, Top Idea List | A3 Report, Action Plan, Root Cause Analysis | Ranked Backlog, Cost-of-Delay Assumptions | Root cause notes, Countermeasures |
Tagsno overlap | PrioritizationScoringGrowthDecision | LeanProblem solvingCoachingOperations | LeanEconomicsSequencePrioritization | Root causeIncidentLeanProblem solving |