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| Criterion |  Innovation Double Diamond |  Operations Gemba Walk |  Innovation TRIZ |  Operations 5 Whys |
|---|---|---|---|---|
Purposedifferent | For complex problems with a fuzzy situation, the method cleanly separates search space and decision. It first creates breadth in understanding and then focus in elaboration. This brings open questions, problem definition, and solution path into a traceable movement. | 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 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 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 | Low | High | Low |
Timedifferent | Wochen bis Monate | 30-120 min | 1-4 h | 15-30 min |
Participantsdifferent | 3-12 | 2-6 | 2-8 | 2-6 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop |
Outputdifferent | Problem Statement, Solution Options, Prototypes, Deliverables per Phase | Observation Notes, Improvement Ideas | Contradiction Statement, Inventive Principles, Solution Concepts | Root cause notes, Countermeasures |
Tagsno overlap | ProcessDivergenceInnovation | LeanObservationProcessOperations | InnovationProblem solvingContradictionsCreativity | Root causeIncidentLeanProblem solving |