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| Criterion |  Operations Gemba Walk |  Decision Making Delphi Method |  Facilitation Power Interest Grid |  Facilitation 3-Circle Venn Diagram |
|---|---|---|---|---|
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 many stakeholders compete for attention at once, the Power Interest Grid sorts them by influence and stake. It turns individual contributions into a visible selection. The result is captured as a Power Interest Grid and a stakeholder-specific strategy. | When three perspectives matter at the same time, a Three-Circle Venn Diagram shows the overlaps and remainders precisely. It makes visible where shared effect arises and where only a partial perspective applies. |
Complexitydifferent | Low | High | Low | Low |
Timedifferent | 30-120 min | 1-4 Wochen | 30-60 min | 15-45 min |
Participantsdifferent | 2-6 | 6-30 Experten | 2-8 | 2-8 |
Formatdifferent | Workshop | Async | Workshop | Workshop + async |
Outputdifferent | Observation Notes, Improvement Ideas | Expert Forecast, Consensus Range, Assumption Notes | Power Interest Grid, Strategy per Stakeholder | Venn Diagram, Overlap Notes, Differentiators |
Tagsno overlap | LeanObservationProcessOperations | ForecastingExpertsDecisionStrategy | StakeholdersFacilitationAlignmentPlanning | ComparisonFacilitationAlignment |