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| Criterion |  Agile Affinity Estimation |  Agile Bucket System |  Product Discovery User Story Mapping |
|---|---|---|---|
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 user goals and delivery scope could drift apart, it orders the journey from goal to slice. It makes visible where an MVP can genuinely be cut. |
Complexitysame | Medium | Medium | Medium |
Timedifferent | 30-90 min | 30-90 min | 2-4 h |
Participantsdifferent | 3-12 | 3-12 | 4-10 |
Formatsame | Workshop | Workshop | Workshop |
Outputdifferent | Affinity Size Map, Grouped Estimates, Unclear Items | Bucketed Backlog, Relative Estimates, Split Candidates | Story Map, Release Slices, Backlog Candidates |
Tags1 shared | EstimationBacklogRelative sizing | EstimationBacklogRelative sizing | BacklogJourneyPlanningMVP |
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