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| Criterion |  Operations Gemba Walk |  Operations Kepner-Tregoe |  Innovation TRIZ |
|---|---|---|---|
Purposedifferent | 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. | 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 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. |
Complexitydifferent | Low | High | High |
Timedifferent | 30-120 min | 2-8 h | 1-4 h |
Participantsdifferent | 2-6 | 2-8 | 2-8 |
Formatdifferent | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Observation Notes, Improvement Ideas | Problem Analysis, Decision Analysis, Risk Plan | Contradiction Statement, Inventive Principles, Solution Concepts |
Tagsno overlap | LeanObservationProcessOperations | Problem solvingRoot causeDecisionOperations | InnovationProblem solvingContradictionsCreativity |
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