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| Criterion |  Agile Ideal Days |  Agile Affinity Estimation |  Business Strategy Business Model Stress Test |  Agile Bucket System |
|---|---|---|---|---|
Purposedifferent | When effort needs to be thought of as real working time, it offers a simple common denominator for comparison. It sorts work by value, risk, and delivery ability. The result is captured as Ideal Day Estimates, Assumption Notes, and Capacity Caveats. | 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. | A Business Model Stress Test checks how well a business model holds up under pressure and headwinds. It compares strengths, risks, market logic, and courses of action. The result is captured as a stress-test report and action plan per scenario. | 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. |
Complexitydifferent | Low | Medium | High | Medium |
Timedifferent | 15-60 min | 30-90 min | Half day | 30-90 min |
Participantsdifferent | 2-9 | 3-12 | 3-8 | 3-12 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop |
Outputdifferent | Ideal Day Estimates, Assumption Notes, Capacity Caveats | Affinity Size Map, Grouped Estimates, Unclear Items | Stress Test Report, Action Plan per Scenario | Bucketed Backlog, Relative Estimates, Split Candidates |
Tagsno overlap | EstimationEffortAgile | EstimationBacklogRelative sizing | StrategyBusiness modelRiskDiagnosis | EstimationBacklogRelative sizing |