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| Criterion |  Agile Affinity Estimation |  Product Discovery Product Kata |  Product Discovery Fake Door Test |
|---|---|---|---|
Purposedifferent | When many tasks need to be classified quickly, it sorts them by perceived effort and similarity. It reduces the effort of fine-grained estimation for large volumes. | Product Kata helps clarify customer problems, solution ideas, and evidence through a repeatable improvement routine. It captures direction, current metric, target metric, experiment notes, and learning. | When demand is still unclear, it measures interest in a feature before it is built. It separates real behavior from polite agreement and deliberately keeps build effort small. |
Complexitysame | Medium | Medium | Medium |
Timedifferent | 30-90 min | 1-2 Wochen je Loop | 1-5 Tage |
Participantsdifferent | 3-12 | 3-10 | Nutzertraffic |
Formatdifferent | Workshop | Workshop + async | Async |
Outputdifferent | Affinity Size Map, Grouped Estimates, Unclear Items | Direction, Current metric, Target metric, Experiment note, Learning report | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | EstimationBacklogRelative sizing | OutcomesDiscoveryLearningIterationCoaching | ValidationExperimentsDemandDiscovery |
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