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| Criterion |  Operations Root Cause Tree Analysis |  Innovation Reverse Brainstorming |  Operations 8D Problem Solving |
|---|---|---|---|
Purposedifferent | For a problem with several suspected causes, the method builds a causal structure instead of a mere list. It makes visible how causes connect and where the strongest points of leverage lie. | 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. | 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 | Medium | Low | High |
Timedifferent | 1-3 h | 30-60 min | 1-6 Wochen |
Participantsdifferent | 2-8 | 3-12 | 4-10 |
Formatdifferent | Workshop | Workshop | Workshop + async |
Outputdifferent | Cause Tree, Evidence Notes, Countermeasures | Reverse Ideas, Risk Themes, Solution Ideas | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan |
Tagsno overlap | Root causeTreeIncidentQuality | BrainstormingIdeationCreativityRisk | QualityProblem solvingRoot cause |
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