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| Criterion |  Architecture Quality Attribute Workshop |  Product Strategy Lean Canvas |  Operations MORT Analysis |  Operations 5 Whys |
|---|---|---|---|---|
Purposedifferent | A Quality Attribute Workshop translates quality requirements into concrete scenarios and architecture impulses. The method brings product, engineering, and operations to the same view of desired properties. | When an early product bet still has too many open points, it brings target group, problem, and assumptions into a single view. It condenses the idea so core risks become nameable. | For a safety-relevant event or a system with high protection requirements, the method examines where controls failed. It exposes both technical and organizational gaps. | For a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. |
Complexitydifferent | Medium | Medium | High | Low |
Timedifferent | 2-4 h | 45-90 min | Mehrere Tage bis Wochen | 15-30 min |
Participantsdifferent | 5-15 | 1-6 | 2-6 | 2-6 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Quality Scenarios, Priority List, Architecture Concerns | Lean Canvas, Core Assumptions, Experiment Backlog | MORT Worksheets, Findings per Branch, Corrective Actions, Systemic Recommendations | Root cause notes, Countermeasures |
Tagsno overlap | RequirementsArchitectureWorkshop | StartupLeanAssumptionsBusiness model | Root causeSafetySystemicIncident | Root causeIncidentLeanProblem solving |