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| Criterion |  Agile Affinity Estimation |  Agile Bucket System |  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 large batch of work needs a fast, rough estimate, it sorts items into predefined size buckets. It sorts work by value, risk, and delivery ability. The result is captured as a Bucketed Backlog, Relative Estimates, and Split Candidates. | 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 |
Timedifferent | 30-90 min | 30-90 min | 30-60 min |
Participantsdifferent | 3-12 | 3-12 | 1-5 |
Formatdifferent | Workshop | Workshop | Workshop + async |
Outputdifferent | Affinity Size Map, Grouped Estimates, Unclear Items | Bucketed Backlog, Relative Estimates, Split Candidates | Completed Experiment Canvas, Success Metric |
Tagsno overlap | EstimationBacklogRelative sizing | EstimationBacklogRelative sizing | ExperimentsValidationDiscoveryHypothesis |
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