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| Criterion |  Operations Kaizen Event |  Decision Making Delphi Method |  Decision Making Assumption Surfacing |  Operations A3 Problem Solving |
|---|---|---|---|---|
Purposedifferent | For a tightly scoped process segment with noticeable waste, the method bundles shared energy for change. It suits situations that call for fast learning loops and visible adjustments. | 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. | Plans often contain assumptions that were never openly stated and remain dangerous precisely because of that. Assumption Surfacing makes these silent premises visible and prioritizes which of them carry the initiative or could sink it. | For a complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit together. |
Complexitydifferent | Medium | High | Low | Medium |
Timedifferent | 0.5-5 Tage | 1-4 Wochen | 45-90 min | 45-90 min |
Participantsdifferent | 4-10 | 6-30 Experten | 2-8 | 2-5 |
Formatdifferent | Workshop | Async | Workshop + async | Workshop + async |
Outputdifferent | Kaizen Charter, Waste List, Improvement Experiments, Standard Work Update | Expert Forecast, Consensus Range, Assumption Notes | Assumption List, Critical Assumptions, Learning Plan | A3 Report, Action Plan, Root Cause Analysis |
Tagsno overlap | LeanContinuous improvementOperations | ForecastingExpertsDecisionStrategy | AssumptionsRiskDecisionDiscovery | LeanProblem solvingCoachingOperations |