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| Criterion |  Decision Making Three-Point Estimation |  Operations Waste Analysis |  Agile Bucket System |  Agile Planning Poker |
|---|---|---|---|---|
Purposedifferent | A single estimate for effort, time, or risk often looks too smooth for the real uncertainty behind it. It separates options, evaluation criteria, and open risks. The result is captured as a Three-Point Estimate, Risk Range, and Assumption Notes. | For a process that keeps people busy but creates little value, the method exposes waste. It directs attention to unnecessary movement, waiting times, rework, and overdelivery. | 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 estimates within the team diverge too much, it puts differing expectations on a common test bench. It separates rough complexity from unspoken assumptions. |
Complexitydifferent | Medium | Low | Medium | Low |
Timedifferent | 10-30 min je Item | 45-120 min | 30-90 min | 2-5 min je Item |
Participantsdifferent | 1-8 | 2-8 | 3-12 | 3-9 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop + async |
Outputdifferent | Three-Point Estimate, Risk Range, Assumption Notes | Waste Map, Prioritized Waste, Improvement Backlog | Bucketed Backlog, Relative Estimates, Split Candidates | Relative Estimates, Assumption Notes, Split Candidates |
Tagsno overlap | EstimationUncertaintyForecasting | WasteLeanProcess improvement | EstimationBacklogRelative sizing | EstimationAgileRelative sizingTeam |