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| Criterion |  Product Strategy ICE Scoring |  Operations Kepner-Tregoe |  Operations ABC Analysis |  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 disturbance that's hard to pin down, the method cleanly separates problem, cause, and decision. It reduces mixing when symptoms allow several interpretations. | 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. | 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 | High | Low | Low |
Timedifferent | 30-60 min | 2-8 h | 30-60 min | 15-30 min |
Participantsdifferent | 2-8 | 2-8 | 1-5 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Async | Workshop |
Outputdifferent | ICE Table, Top Idea List | Problem Analysis, Decision Analysis, Risk Plan | ABC Classification, Focus Rules, Control List | Root cause notes, Countermeasures |
Tagsno overlap | PrioritizationScoringGrowthDecision | Problem solvingRoot causeDecisionOperations | PrioritizationOperationsPortfolio | Root causeIncidentLeanProblem solving |