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| Criterion |  Operations Gemba Walk |  Operations A3 Problem Solving |  Business Strategy Business Model Stress Test |
|---|---|---|---|
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. | 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. | A Business Model Stress Test checks how well a business model holds up under pressure and headwinds. It compares strengths, risks, market logic, and courses of action. The result is captured as a stress-test report and action plan per scenario. |
Complexitydifferent | Low | Medium | High |
Timedifferent | 30-120 min | 45-90 min | Half day |
Participantsdifferent | 2-6 | 2-5 | 3-8 |
Formatdifferent | Workshop | Workshop + async | Workshop |
Outputdifferent | Observation Notes, Improvement Ideas | A3 Report, Action Plan, Root Cause Analysis | Stress Test Report, Action Plan per Scenario |
Tagsno overlap | LeanObservationProcessOperations | LeanProblem solvingCoachingOperations | StrategyBusiness modelRiskDiagnosis |
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