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| Criterion |  Engineering Hypothesis-Driven Troubleshooting |  Innovation TRIZ |  Operations Gemba Walk |
|---|---|---|---|
Purposedifferent | When systems fail unexpectedly, spontaneous attempts often produce more noise than insight. Hypothesis-driven Troubleshooting translates symptoms into testable assumptions and makes troubleshooting learnable. | 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. | When there is uncertainty about the real course of a process, the method brings observation to the place where work happens. It combines perception, follow-up questions, and process knowledge so decisions rest on actual workflows instead of assumptions. |
Complexitydifferent | Medium | High | Low |
Timedifferent | 30-240 min | 1-4 h | 30-120 min |
Participantsdifferent | 1-6 | 2-8 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Hypothesis Log, Test Plan, Evidence Notes, Diagnosis Summary | Contradiction Statement, Inventive Principles, Solution Concepts | Observation Notes, Improvement Ideas |
Tagsno overlap | TroubleshootingProblem solvingDiagnosis | InnovationProblem solvingContradictionsCreativity | LeanObservationProcessOperations |
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