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| Criterion |  Innovation Double Diamond |  Operations 8D Problem Solving |  Operations 5 Whys |  Operations Standard Work 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 an acute quality or delivery problem, the method structures immediate protection and root cause work together. It keeps the situation stable while the actual cause is investigated cleanly. | 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. |
Complexitydifferent | Medium | High | Low | Medium |
Timedifferent | Wochen bis Monate | 1-6 Wochen | 15-30 min | 1-3 h |
Participantsdifferent | 3-12 | 4-10 | 2-6 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop |
Outputdifferent | Problem Statement, Solution Options, Prototypes, Deliverables per Phase | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Root cause notes, Countermeasures | Standard Work Sheet, Deviation List, Improved Standard, Training Needs |
Tagsno overlap | ProcessDivergenceInnovation | QualityProblem solvingRoot cause | Root causeIncidentLeanProblem solving | LeanProcessQuality |