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| Criterion |  Innovation Double Diamond |  Operations Gemba Walk |  Operations Family Tree Analysis |  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 a series of incidents with a similar pattern, the method arranges individual events as branches of a common origin. It makes visible which conditions keep recurring. | 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 | Medium | Low |
Timedifferent | Wochen bis Monate | 30-120 min | 2-4 h | 15-30 min |
Participantsdifferent | 3-12 | 2-6 | 2-6 | 2-6 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop |
Outputdifferent | Problem Statement, Solution Options, Prototypes, Deliverables per Phase | Observation Notes, Improvement Ideas | Family Tree Diagram, Pattern Notes, Systemic Measures | Root cause notes, Countermeasures |
Tagsno overlap | ProcessDivergenceInnovation | LeanObservationProcessOperations | Root causePatternsIncidentSystemic | Root causeIncidentLeanProblem solving |