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| Criterion |  Innovation Lean Startup |  Operations Fishbone Diagram |  Architecture Risk Storming |  Architecture ATAM (Architecture Tradeoff Analysis Method) |
|---|---|---|---|---|
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. | 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. | Helps clarify architecture context, options, and consequences in concrete terms. It organizes technical context, alternatives, and consequences. The result is captured as an Annotated Diagram, a Prioritized Risk List, and an Action Backlog. | 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. |
Complexitydifferent | Medium | Low | Low | High |
Timedifferent | Wochen bis Monate je Lernzyklus | 30-60 min | 60-90 min | Several meetings plus preparation and analysis; total effort depends on scope |
Participantsdifferent | 2-8 | 2-8 | 4-12 | Evaluation team, architects, and relevant stakeholders |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop + async |
Outputdifferent | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | Fishbone Diagram, Cause Categories, Investigation Backlog | Annotated Diagram, Prioritized Risk List, Action Backlog | 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 | LeanStartupValidationMVP | Root causeQualityOperations | RiskArchitectureWorkshopValidation | ArchitectureQualityRiskTradeoffsStakeholders |