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Selected:Theory of Constraints Thinking ProcessFailure Mode and Effects AnalysisCurrent Reality TreeATAM (Architecture Tradeoff Analysis Method)
| Criterion |  Systems Thinking Theory of Constraints Thinking Process |  Operations Failure Mode and Effects Analysis |  Systems Thinking Current Reality Tree |  Architecture ATAM (Architecture Tradeoff Analysis Method) |
|---|---|---|---|---|
Purposedifferent | The Theory of Constraints Thinking Process exposes a system's bottleneck and the logic behind it. It suits situations where many symptoms trace back to the same limiting relationship. | For a process, product, or service with noticeable failure risks, the method assesses possible failure modes in advance. It directs attention to combinations of occurrence, effect, and detectability. | A Current Reality Tree condenses many symptoms into a few causal chains. The method makes visible which core problems drive several negative effects at once. | 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. |
Complexitysame | High | High | High | High |
Timedifferent | 0.5-3 Tage | 2-6 h | 2-6 h | Several meetings plus preparation and analysis; total effort depends on scope |
Participantsdifferent | 4-10 | 3-10 | 3-8 | Evaluation team, architects, and relevant stakeholders |
Formatdifferent | Workshop | Workshop | Workshop | Workshop + async |
Outputdifferent | Current Reality Logic, Conflict Cloud, Future Reality Tree, Implementation Obstacles | FMEA Table, Risk Priority, Mitigation Actions | Current Reality Tree, Core Problems, Intervention Ideas | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations |
Tagsno overlap | Theory of ConstraintsConstraintsSystems thinkingCausality | RiskQualityOperationsRoot cause | Systems thinkingRoot causeConstraintsCausality | ArchitectureQualityRiskTradeoffsStakeholders |