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| Criterion |  Operations PDCA Cycle |  Engineering Golden Path |  Product Discovery Experiment Canvas |  Product Discovery Test Card |
|---|---|---|---|---|
Purposedifferent | 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. | When teams need a reliable default path for frequent use, sprawl quickly emerges without any guiding logic. Golden Path bundles the preferred path so good practice becomes easy and deviation becomes deliberate. | When experiments become unreadable after the fact, it arranges hypothesis, signal, and learning goal on a single canvas. It separates problem, assumption, solution, and evidence. The result is captured as a Completed Experiment Canvas and a Success Metric. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. |
Complexitydifferent | Low | Medium | Low | Low |
Timedifferent | 1 h bis mehrere Wochen | 1-3 Tage Setup, laufend | 30-60 min | 20-35 min |
Participantsdifferent | 1-8 | 2-8 | 1-5 | 1-5 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | PDCA Log, Experiment Plan, Learning Outcome, Standard Change | Golden Path Guide, Templates, Quality Checks | Completed Experiment Canvas, Success Metric | Test Card with a pre-set threshold |
Tagsno overlap | Continuous improvementLeanExperiments | EngineeringProductivityGovernance | ExperimentsValidationDiscoveryHypothesis | ExperimentsValidationDiscoveryHypothesis |