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Selected:Fishbone DiagramSpecification by ExampleFailure Mode and Effects Analysis8D Problem Solving
| Criterion |  Operations Fishbone Diagram |  Agile Specification by Example |  Operations Failure Mode and Effects Analysis |  Operations 8D Problem Solving |
|---|---|---|---|---|
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. | 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. | 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. | 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. |
Complexitydifferent | Low | Medium | High | High |
Timedifferent | 30-60 min | 60-90 min pro Feature | 2-6 h | 1-6 Wochen |
Participantsdifferent | 2-8 | 3-6 | 3-10 | 4-10 |
Formatdifferent | Workshop | Workshop | Workshop | Workshop + async |
Outputdifferent | Fishbone Diagram, Cause Categories, Investigation Backlog | Example Table, Acceptance Tests | FMEA Table, Risk Priority, Mitigation Actions | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan |
Tagsno overlap | Root causeQualityOperations | AgileRequirementsExamplesBehavior-Driven Development | RiskQualityOperationsRoot cause | QualityProblem solvingRoot cause |