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| Criterion |  Innovation Double Diamond |  Operations 5 Whys |  Operations Standard Work Analysis |  Operations Root Cause Tree Analysis |
|---|---|---|---|---|
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. | 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. | When the same task is done differently depending on the person, the method exposes the reliable core. It creates comparability without unnecessarily choking off needed latitude. | For a problem with several suspected causes, the method builds a causal structure instead of a mere list. It makes visible how causes connect and where the strongest points of leverage lie. |
Complexitydifferent | Medium | Low | Medium | Medium |
Timedifferent | Wochen bis Monate | 15-30 min | 1-3 h | 1-3 h |
Participantsdifferent | 3-12 | 2-6 | 2-6 | 2-8 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop |
Outputdifferent | Problem Statement, Solution Options, Prototypes, Deliverables per Phase | Root cause notes, Countermeasures | Standard Work Sheet, Deviation List, Improved Standard, Training Needs | Cause Tree, Evidence Notes, Countermeasures |
Tagsno overlap | ProcessDivergenceInnovation | Root causeIncidentLeanProblem solving | LeanProcessQuality | Root causeTreeIncidentQuality |