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| Criterion |  Innovation Brainwriting |  Operations Gemba Walk |  Operations Standard Work Analysis |  Operations A3 Problem Solving |
|---|---|---|---|---|
Purposedifferent | When loud voices or hierarchy distort the idea search, the method creates a quiet entry into joint development. It gives everyone thinking space and gathers contributions without social brakes, making diversity more visible and easier to build on. | 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 the same task is done differently depending on the person, the method exposes the reliable core. It creates comparability without unnecessarily choking off needed latitude. | 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 | Low | Low | Medium | Medium |
Timedifferent | 15-30 min | 30-120 min | 1-3 h | 45-90 min |
Participantsdifferent | 3-12 | 2-6 | 2-6 | 2-5 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop + async |
Outputdifferent | Idea sheets, Expanded concepts, Prioritized list | Observation Notes, Improvement Ideas | Standard Work Sheet, Deviation List, Improved Standard, Training Needs | A3 Report, Action Plan, Root Cause Analysis |
Tagsno overlap | BrainstormingCollaborationInclusionIdeas | LeanObservationProcessOperations | LeanProcessQuality | LeanProblem solvingCoachingOperations |