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| Criterion |  Facilitation Six Thinking Hats |  Innovation TRIZ |  Operations Kepner-Tregoe |  Operations 5 Whys |
|---|---|---|---|---|
Purposedifferent | When a topic gets stuck too quickly in the same thinking mode, Six Thinking Hats deliberately separates the perspectives. This means facts, risks, creativity, and emotional signals get worked through one after another instead of mixed together. | 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 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 single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. |
Complexitydifferent | Medium | High | High | Low |
Timedifferent | 45-90 min | 1-4 h | 2-8 h | 15-30 min |
Participantsdifferent | 4-12 | 2-8 | 2-8 | 2-6 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Perspective Notes, Decision Inputs, Action Items | Contradiction Statement, Inventive Principles, Solution Concepts | Problem Analysis, Decision Analysis, Risk Plan | Root cause notes, Countermeasures |
Tagsno overlap | FacilitationOptionsDecision | InnovationProblem solvingContradictionsCreativity | Problem solvingRoot causeDecisionOperations | Root causeIncidentLeanProblem solving |