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| Criterion |  Product Strategy RICE Scoring |  Operations Gemba Walk |  Operations 5 Whys |  Operations Kepner-Tregoe |
|---|---|---|---|---|
Purposedifferent | When many initiatives compete for the same resources, it brings reach, impact, confidence, and effort into one shared ranking. It makes prioritization economically connectable. | 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. | 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 | Medium | Low | Low | High |
Timedifferent | 60-90 min | 30-120 min | 15-30 min | 2-8 h |
Participantsdifferent | 2-10 | 2-6 | 2-6 | 2-8 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop + async |
Outputdifferent | RICE Scores, Ranked List, Assumption Log | Observation Notes, Improvement Ideas | Root cause notes, Countermeasures | Problem Analysis, Decision Analysis, Risk Plan |
Tagsno overlap | PrioritizationScoringRoadmapTradeoffs | LeanObservationProcessOperations | Root causeIncidentLeanProblem solving | Problem solvingRoot causeDecisionOperations |