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| Criterion |  Agile Affinity Estimation |  Product Discovery Experiment Canvas |  Product Discovery Riskiest Assumption 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. | 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. | When an idea hinges on one critical unknown, it prioritizes testing that exact piece of uncertainty first. It separates problem, assumption, solution, and evidence. The result is captured as a prioritized list of assumptions, a test plan, and a result report. |
Complexitydifferent | Medium | Low | Medium |
Timedifferent | 30-90 min | 30-60 min | 1-2 Wochen pro Iteration |
Participantsdifferent | 3-12 | 1-5 | 2-6 |
Formatdifferent | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Affinity Size Map, Grouped Estimates, Unclear Items | Completed Experiment Canvas, Success Metric | Prioritized Assumption List, Test Plan, Results Report |
Tagsno overlap | EstimationBacklogRelative sizing | ExperimentsValidationDiscoveryHypothesis | ExperimentsValidationDiscoveryAssumptions |
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