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| Criterion |  Innovation Reverse Brainstorming |  Operations Fishbone Diagram |  Operations Kepner-Tregoe |
|---|---|---|---|
Purposedifferent | 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. | When a problem has several possible contributing factors, the method sorts causes by cause areas. It prevents an initial hunch from blocking the view of other plausible drivers. | For a disturbance that's hard to pin down, the method cleanly separates problem, cause, and decision. It reduces mixing when symptoms allow several interpretations. |
Complexitydifferent | Low | Low | High |
Timedifferent | 30-60 min | 30-60 min | 2-8 h |
Participantsdifferent | 3-12 | 2-8 | 2-8 |
Formatdifferent | Workshop | Workshop | Workshop + async |
Outputdifferent | Reverse Ideas, Risk Themes, Solution Ideas | Fishbone Diagram, Cause Categories, Investigation Backlog | Problem Analysis, Decision Analysis, Risk Plan |
Tagsno overlap | BrainstormingIdeationCreativityRisk | Root causeQualityOperations | Problem solvingRoot causeDecisionOperations |
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