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| Criterion |  Product Discovery Working Backwards |  Operations PDCA Cycle |  Operations 8D Problem Solving |  Operations DMAIC |
|---|---|---|---|---|
Purposedifferent | When the target state and benefit need to be clear first, it thinks backward from the desired outcome into the product logic. It sharpens vision, objections, and value proposition before elaboration. | For an improvement that still has to prove itself in everyday work, the method runs it through small learning loops. It connects planning, checking, and standardization into a repeatable learning mode. | 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 process problem with fluctuating performance, the method brings analysis and improvement into a disciplined sequence. It creates a framework in which numbers, causes, and control come together. |
Complexitydifferent | Medium | Low | High | High |
Timedifferent | 4-8 h, mehrere Iterationen | 1 h bis mehrere Wochen | 1-6 Wochen | 2-12 Wochen |
Participantsdifferent | 2-6 | 1-8 | 4-10 | 3-10 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Future Press Release, FAQ, Vision Statement | PDCA Log, Experiment Plan, Learning Outcome, Standard Change | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Project Charter, Measurement Plan, Cause Analysis, Control Plan |
Tagsno overlap | VisionNarrativeAlignment | Continuous improvementLeanExperiments | QualityProblem solvingRoot cause | Continuous improvementQualityProcess improvement |