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| Criterion |  Delivery Cost of Delay |  Product Strategy ICE Scoring |  Operations 5 Whys |  Operations Kepner-Tregoe |
|---|---|---|---|---|
Purposedifferent | Helps clarify scope, order, and delivery flow in concrete terms. It makes work, constraints, and sequence manageable. The result is captured as a Cost of Delay table and prioritization sequence. | 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. | 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 | High | Low | Low | High |
Timedifferent | 90-180 min | 30-60 min | 15-30 min | 2-8 h |
Participantsdifferent | 3-8 | 2-8 | 2-6 | 2-8 |
Formatdifferent | Workshop | Workshop + async | Workshop | Workshop + async |
Outputdifferent | CoD Table, Prioritization Sequence | ICE Table, Top Idea List | Root cause notes, Countermeasures | Problem Analysis, Decision Analysis, Risk Plan |
Tagsno overlap | PrioritizationDeliveryEconomicsDecision | PrioritizationScoringGrowthDecision | Root causeIncidentLeanProblem solving | Problem solvingRoot causeDecisionOperations |