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| Criterion |  Operations ABC Analysis |  Operations Gemba Walk |  Innovation Brainstorming |  Innovation Reverse Brainstorming |
|---|---|---|---|---|
Purposedifferent | With many similar objects of differing economic significance, the method prioritizes effort by effect. It separates what needs regular steering from what rarely needs attention. | 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 a team faces an open question with many obvious directions, the method first creates breadth instead of premature commitment. It separates idea flow from evaluation and makes lines of thought visible, creating a pool for selection and further development. | For persistent errors or blockages, the method shifts the view to the opposite of the desired effect. It exposes the mechanics of failure and makes hidden causes easier to grasp. This makes improvement more concrete and the problem clearer. |
Complexitysame | Low | Low | Low | Low |
Timedifferent | 30-60 min | 30-120 min | 30-60 min | 30-60 min |
Participantsdifferent | 1-5 | 2-6 | 4-12 | 3-12 |
Formatdifferent | Async | Workshop | Workshop | Workshop |
Outputdifferent | ABC Classification, Focus Rules, Control List | Observation Notes, Improvement Ideas | Idea pool, Theme clusters, Shortlist | Reverse Ideas, Risk Themes, Solution Ideas |
Tagsno overlap | PrioritizationOperationsPortfolio | LeanObservationProcessOperations | BrainstormingIdeationCreativityWorkshopDivergence | BrainstormingIdeationCreativityRisk |