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| Criterion |  Agile Specification by Example |  Operations Fishbone Diagram |  Operations 8D Problem Solving |  Operations Kepner-Tregoe |
|---|---|---|---|---|
Purposedifferent | When business rules need to become precise, it ties language, example, and test together. It sorts work by value, risk, and delivery ability. The result is captured as an Example Table and Acceptance Tests. | 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 an acute quality or delivery problem, the method structures immediate protection and root cause work together. It keeps the situation stable while the actual cause is investigated cleanly. | 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 | Medium | Low | High | High |
Timedifferent | 60-90 min pro Feature | 30-60 min | 1-6 Wochen | 2-8 h |
Participantsdifferent | 3-6 | 2-8 | 4-10 | 2-8 |
Formatdifferent | Workshop | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Example Table, Acceptance Tests | Fishbone Diagram, Cause Categories, Investigation Backlog | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Problem Analysis, Decision Analysis, Risk Plan |
Tagsno overlap | AgileRequirementsExamplesBehavior-Driven Development | Root causeQualityOperations | QualityProblem solvingRoot cause | Problem solvingRoot causeDecisionOperations |