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| Criterion |  Knowledge Modeling PARA Method |  Growth A/B Testing |  Product Discovery Test Card |  Product Discovery Learning Card |
|---|---|---|---|---|
Purposedifferent | The PARA Method organizes knowledge into Projects, Areas, Resources, and Archives. It creates order when digital notes, files, and tasks no longer cleanly fit current work. | When two variants compete, discussions quickly decide by taste rather than effect. A/B Testing checks behavior under controlled conditions and separates real improvement from chance or expectation effects. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. | The Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. |
Complexitydifferent | Medium | High | Low | Low |
Timedifferent | 1-3 h Setup, laufend | 1-4 Wochen | 20-35 min | 25-40 min |
Participantsdifferent | 1 | 1-6 | 1-5 | 1-5 |
Formatdifferent | Async | Async | Workshop + async | Workshop + async |
Outputdifferent | PARA Structure, Project Notes, Knowledge Archive | Experiment results, Decision log, Learning summary | Test Card with a pre-set threshold | Learning Card with evidence and next action |
Tagsno overlap | KnowledgeProductivityOrganization | ExperimentsGrowthAnalyticsValidation | ExperimentsValidationDiscoveryHypothesis | ExperimentsValidationDiscoveryLearning |