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| Criterion |  Architecture Architecture Decision Record |  Decision Making Three-Point Estimation |  Delivery Monte Carlo Forecasting |  Decision Making PERT Estimation |
|---|---|---|---|---|
Purposedifferent | An ADR permanently records an architecture decision with context, trade-offs, and consequence. It creates continuity for later changes because the decision path stays traceable. | 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. | Helps clarify scope, sequence, and delivery flow in concrete terms. It makes work, boundaries, and order steerable. The result is captured as Forecast Percentiles, Throughput Dataset, and Risk Communication. | On complex initiatives, a plain average tends to understate just how uncertain the outcome really is. It separates options, evaluation criteria, and open risks. The result is captured as a PERT Estimate, Expected Value, and Risk Notes. |
Complexitydifferent | Low | Medium | High | Medium |
Timedifferent | 15-45 min | 10-30 min je Item | 30-90 min Setup, danach laufend | 15-45 min |
Participantsdifferent | 1-3 | 1-8 | 1-8 | 1-8 |
Formatdifferent | Async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | ADR File, Decision Log, Rationale | Three-Point Estimate, Risk Range, Assumption Notes | Forecast Percentiles, Throughput Dataset, Risk Communication | PERT Estimate, Expected Value, Risk Notes |
Tagsno overlap | ArchitectureRationaleDocumentationGovernance | EstimationUncertaintyForecasting | ForecastingFlowDelivery | EstimationUncertaintyRisk |