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| Criterion |  Operations Gemba Walk |  Decision Making Delphi Method |  Facilitation Decision Jam |  Operations Kepner-Tregoe |
|---|---|---|---|---|
Purposedifferent | 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. | When knowledge is distributed and direct dominance should be avoided, groups quickly fall under the sway of their opinion leaders. The Delphi Method gathers assessments iteratively and gradually brings expert judgments closer together. | When a decision is stuck, Decision Jam loosens the knot through structured separation of problem, idea, and selection. The format creates movement without jumping prematurely at the first seemingly elegant answer. | 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 | High | Low | High |
Timedifferent | 30-120 min | 1-4 Wochen | 60-90 min | 2-8 h |
Participantsdifferent | 2-6 | 6-30 Experten | 4-10 | 2-8 |
Formatdifferent | Workshop | Async | Workshop | Workshop + async |
Outputdifferent | Observation Notes, Improvement Ideas | Expert Forecast, Consensus Range, Assumption Notes | Problem Cluster, Prioritized Challenge, Experiment | Problem Analysis, Decision Analysis, Risk Plan |
Tagsno overlap | LeanObservationProcessOperations | ForecastingExpertsDecisionStrategy | FacilitationDecisionProblem solvingWorkshop | Problem solvingRoot causeDecisionOperations |