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| Criterion |  Innovation TRIZ |  Decision Making Decision Tree |  Operations Root Cause Analysis |  Operations 8D Problem Solving |
|---|---|---|---|---|
Purposedifferent | For technical contradictions or trade-offs, the method looks for solutions that resolve opposing requirements at the same time. It translates limits into an explicit picture of conflict that becomes workable. This produces not just compromises but more elegant principles. | For decisions with follow-on paths and dependencies, a linear comparison is often not enough. A Decision Tree shows how options branch under conditions and which consequences hang on each branch. | When a problem keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another. | 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 | High | Medium | Medium | High |
Timedifferent | 1-4 h | 30-90 min | 1-4 h | 1-6 Wochen |
Participantsdifferent | 2-8 | 1-6 | 3-8 | 4-10 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Contradiction Statement, Inventive Principles, Solution Concepts | Decision Tree, Option Map, Assumption List | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan |
Tagsno overlap | InnovationProblem solvingContradictionsCreativity | DecisionTreeOptions | Root causeProblem solvingQualityIncident | QualityProblem solvingRoot cause |