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Selected:Lean StartupFailure Mode and Effects AnalysisSAAM (Software Architecture Analysis Method)Fishbone Diagram
| Criterion |  Innovation Lean Startup |  Operations Failure Mode and Effects Analysis |  Architecture SAAM (Software Architecture Analysis Method) |  Operations Fishbone Diagram |
|---|---|---|---|---|
Purposedifferent | For uncertain business assumptions, the method forces the idea into contact with real market reactions early. It separates wishful picture, assumption, and observable behavior, so that learning becomes faster than planning. This translates uncertainty into measurable insight. | 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. | SAAM helps teams judge an architecture’s suitability for selected tasks and changes. It is particularly useful for examining modifiability and comparing architecture alternatives with clear reasoning. | When a problem has several possible contributing factors, the method sorts causes by cause areas. It prevents an initial hunch from blocking the view of other plausible drivers. |
Complexitydifferent | Medium | High | High | Low |
Timedifferent | Wochen bis Monate je Lernzyklus | 2-6 h | Preparation, scenario analysis, and findings review; effort depends on scope | 30-60 min |
Participantsdifferent | 2-8 | 3-10 | Architecture experts and stakeholders for scenarios and weighting | 2-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop |
Outputdifferent | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | FMEA Table, Risk Priority, Mitigation Actions | Domain functions mapped to components and connections, Quality attributes and evaluation criteria, Typical tasks and their effects on the architecture, Reasoned evaluation or comparison of alternatives | Fishbone Diagram, Cause Categories, Investigation Backlog |
Tagsno overlap | LeanStartupValidationMVP | RiskQualityOperationsRoot cause | ArchitectureChangeAnalysisComparisonQuality | Root causeQualityOperations |