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| Criterion |  Agile Affinity Estimation |  Agile Story Splitting |  Product Discovery Learning Card |  Product Discovery Experiment Canvas |
|---|---|---|---|---|
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. | When a story becomes too large for a clean flow, it breaks scope down along value and risk. It shapes the work into a form that ships earlier and is easier to verify. | The Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. | 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. |
Complexitydifferent | Medium | Medium | Low | Low |
Timedifferent | 30-90 min | 30-60 min | 25-40 min | 30-60 min |
Participantsdifferent | 3-12 | 2-6 | 1-5 | 1-5 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Affinity Size Map, Grouped Estimates, Unclear Items | Smaller Stories, Acceptance Criteria, Split Rationale | Learning Card with evidence and next action | Completed Experiment Canvas, Success Metric |
Tagsno overlap | EstimationBacklogRelative sizing | BacklogIterationDelivery | ExperimentsValidationDiscoveryLearning | ExperimentsValidationDiscoveryHypothesis |