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| Criterion |  Innovation Morphological Analysis |  Operations Kepner-Tregoe |  Operations Failure Mode and Effects Analysis |  Operations Root Cause Analysis |
|---|---|---|---|---|
Purposedifferent | For a search for solutions with many degrees of freedom, a grid emerges for systematic combinations. The method separates features, variants, and exclusion criteria, so the space gets explored deliberately. | 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 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 keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another. |
Complexitydifferent | Medium | High | High | Medium |
Timedifferent | 1-3 h | 2-8 h | 2-6 h | 1-4 h |
Participantsdifferent | 2-8 | 2-8 | 3-10 | 3-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Morphological Box, Concept Combinations, Idea Shortlist | Problem Analysis, Decision Analysis, Risk Plan | FMEA Table, Risk Priority, Mitigation Actions | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan |
Tagsno overlap | IdeationInnovationCreativity | Problem solvingRoot causeDecisionOperations | RiskQualityOperationsRoot cause | Root causeProblem solvingQualityIncident |