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| Criterion |  Innovation Brainstorming |  Agile Bucket System |  Innovation Rapid Ideation |  Agile Affinity Estimation |
|---|---|---|---|---|
Purposedifferent | When a team faces an open question with many obvious directions, the method first creates breadth instead of premature commitment. It separates idea flow from evaluation and makes lines of thought visible, creating a pool for selection and further development. | 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 a decision needs to be prepared quickly, the method generates many solution-close variants in a short time. It deliberately relies on pace to undercut self-censorship and perfectionism. This quickly produces a usable field for prioritization and further work. | 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. |
Complexitydifferent | Low | Medium | Low | Medium |
Timedifferent | 30-60 min | 30-90 min | 5-20 min | 30-90 min |
Participantsdifferent | 4-12 | 3-12 | 1-20 | 3-12 |
Formatdifferent | Workshop | Workshop | Workshop + async | Workshop |
Outputdifferent | Idea pool, Theme clusters, Shortlist | Bucketed Backlog, Relative Estimates, Split Candidates | Ideenpool, Roh-Shortlist, Cluster | Affinity Size Map, Grouped Estimates, Unclear Items |
Tagsno overlap | BrainstormingIdeationCreativityWorkshopDivergence | EstimationBacklogRelative sizing | BrainstormingIdeationDivergenceSpeed | EstimationBacklogRelative sizing |