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| Criterion |  Product Discovery Product Kata |  Agile Affinity Estimation |  Product Discovery Experiment Canvas |  Product Discovery Learning Card |
|---|---|---|---|---|
Purposedifferent | 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 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. | 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 Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. |
Complexitydifferent | Medium | Medium | Low | Low |
Timedifferent | 1-2 Wochen je Loop | 30-90 min | 30-60 min | 25-40 min |
Participantsdifferent | 3-10 | 3-12 | 1-5 | 1-5 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Direction, Current metric, Target metric, Experiment note, Learning report | Affinity Size Map, Grouped Estimates, Unclear Items | Completed Experiment Canvas, Success Metric | Learning Card with evidence and next action |
Tagsno overlap | OutcomesDiscoveryLearningIterationCoaching | EstimationBacklogRelative sizing | ExperimentsValidationDiscoveryHypothesis | ExperimentsValidationDiscoveryLearning |