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| Criterion |  Agile Affinity Estimation |  Product Discovery Product Kata |  Product Discovery Jobs to Be Done |  Product Discovery Learning Card |
|---|---|---|---|---|
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 switching motives and progress are unclear, it reconstructs the situation from real customer circumstances. It shows why a switch happens and what kind of progress is being sought. | The Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. |
Complexitydifferent | Medium | Medium | Medium | Low |
Timedifferent | 30-90 min | 1-2 Wochen je Loop | 1-3 Wochen | 25-40 min |
Participantsdifferent | 3-12 | 3-10 | 5-12 Interviews | 1-5 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Affinity Size Map, Grouped Estimates, Unclear Items | Direction, Current metric, Target metric, Experiment note, Learning report | Job Stories, Outcome Statements, Opportunity List | Learning Card with evidence and next action |
Tagsno overlap | EstimationBacklogRelative sizing | OutcomesDiscoveryLearningIterationCoaching | CustomerOutcomesNeeds | ExperimentsValidationDiscoveryLearning |