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| Criterion |  Agile Affinity Estimation |  Agile Bucket System |  Decision Making Argument Mapping |  Knowledge Modeling IBIS |
|---|---|---|---|---|
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 statements, evidence, and counterarguments get mixed up, a debate quickly loses its structure. Argument Mapping breaks a thesis down into its reasoning and makes visible what it really rests on. | IBIS structures thinking about complex questions as a sequence of issues, ideas, and arguments. The method keeps discussions open without forcing them into premature consensus. |
Complexitysame | Medium | Medium | Medium | Medium |
Timedifferent | 30-90 min | 30-90 min | 1-3 h | 1-3 h |
Participantsdifferent | 3-12 | 3-12 | 1-8 | 2-8 |
Formatdifferent | Workshop | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Affinity Size Map, Grouped Estimates, Unclear Items | Bucketed Backlog, Relative Estimates, Split Candidates | Argument Map, Evidence Gaps, Decision Rationale | Issue Map, Positions, Argument Notes |
Tagsno overlap | EstimationBacklogRelative sizing | EstimationBacklogRelative sizing | SensemakingDecisionRationale | RationaleKnowledgeDecision |