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| Criterion |  Operations Fishbone Diagram |  Operations Kepner-Tregoe |  Innovation Brainstorming |
|---|---|---|---|
Purposedifferent | 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. | 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. |
Complexitydifferent | Low | High | Low |
Timedifferent | 30-60 min | 2-8 h | 30-60 min |
Participantsdifferent | 2-8 | 2-8 | 4-12 |
Formatdifferent | Workshop | Workshop + async | Workshop |
Outputdifferent | Fishbone Diagram, Cause Categories, Investigation Backlog | Problem Analysis, Decision Analysis, Risk Plan | Idea pool, Theme clusters, Shortlist |
Tagsno overlap | Root causeQualityOperations | Problem solvingRoot causeDecisionOperations | BrainstormingIdeationCreativityWorkshopDivergence |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
