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| Criterion |  Operations Kepner-Tregoe |  Innovation SCAMPER |  Operations Failure Mode and Effects Analysis |  Operations Fishbone Diagram |
|---|---|---|---|---|
Purposedifferent | 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. | For an existing solution under pressure to change, the method deliberately opens space for systematic variants. It directs attention to rebuilding, combining, and repurposing rather than only new basic ideas. This produces concrete evolution paths for products, offerings, or workflows. | For a process, product, or service with noticeable failure risks, the method assesses possible failure modes in advance. It directs attention to combinations of occurrence, effect, and detectability. | 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. |
Complexitydifferent | High | Low | High | Low |
Timedifferent | 2-8 h | 30-60 min | 2-6 h | 30-60 min |
Participantsdifferent | 2-8 | 2-10 | 3-10 | 2-8 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop |
Outputdifferent | Problem Analysis, Decision Analysis, Risk Plan | SCAMPER Idea List, Concept Shortlist, Variation Notes | FMEA Table, Risk Priority, Mitigation Actions | Fishbone Diagram, Cause Categories, Investigation Backlog |
Tagsno overlap | Problem solvingRoot causeDecisionOperations | BrainstormingIdeationCreativityReframingInnovation | RiskQualityOperationsRoot cause | Root causeQualityOperations |