View methods side by side.
Choose up to four methods. Add them using the search and share the comparison by copying its link.
| Criterion |  Operations Change Analysis |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Decision Making Pre-Mortem |
|---|---|---|---|
Purposedifferent | For a deviation after a change, the method isolates the influence of the altered condition. It narrows down which differences are relevant and which are just accompanying noise. | ATAM helps teams weigh architecture decisions when quality goals compete. The team considers business goals, stakeholder expectations, and technical decisions together. The evaluation shows which risks need further investigation. | In early initiatives with many uncertainties, planning quickly turns too optimistic. A pre-mortem makes the expected failure visible in advance and sharpens the view of causes, gaps, and countermeasures. |
Complexitydifferent | Medium | High | Low |
Timedifferent | 45-120 min | Several meetings plus preparation and analysis; total effort depends on scope | 20–45 min |
Participantsdifferent | 2-6 | Evaluation team, architects, and relevant stakeholders | Small cross-functional group |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Change Matrix, Cause Hypotheses, Validation Questions, Action List | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Risk list, Mitigation plan, Assumption log |
Tagsno overlap | ChangeRoot causeTroubleshootingComparison | ArchitectureQualityRiskTradeoffsStakeholders | RiskDecisionFailurePlanning |
Often compared together
Methods with strong topical overlap with the current selection, not yet in the comparison.
