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| Criterion |  Operations Theory of Constraints |  Agile Story Points |  Agile Planning Poker |  Agile Affinity Estimation |
|---|---|---|---|---|
Purposedifferent | For a system that does not get faster despite effort, the method directs attention to the bottleneck. It concentrates improvement on the point that actually limits throughput. | When teams want to rate complexity rather than hours, it creates a shared, relative scale. It sorts work by value, risk, and delivery ability. The result is captured as Point Estimates, Reference Stories, and Velocity Data. | When estimates within the team diverge too much, it puts differing expectations on a common test bench. It separates rough complexity from unspoken assumptions. | 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 | High | Medium | Low | Medium |
Timedifferent | 2-4 h Analyse, laufend | laufend, 1-5 min je Item | 2-5 min je Item | 30-90 min |
Participantsdifferent | 3-12 | 3-9 | 3-9 | 3-12 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Constraint Map, Improvement Plan, Flow Metrics | Point Estimates, Reference Stories, Velocity Data | Relative Estimates, Assumption Notes, Split Candidates | Affinity Size Map, Grouped Estimates, Unclear Items |
Tagsno overlap | OperationsConstraintsFlowImprovement | EstimationAgileMeasurement | EstimationAgileRelative sizingTeam | EstimationBacklogRelative sizing |