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