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| Criterion |  Operations Scatter Diagram |  Systems Thinking CATWOE Analysis |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Systems Thinking Rich Picture |
|---|---|---|---|---|
Purposedifferent | When the question is whether two measures are related, the method makes patterns in the data picture visible. It separates felt correlations from relationships that actually show up in the data. | CATWOE structures a problem from six viewpoints and prevents too narrow a view of the situation. Different experiences of the system become comparably discussable this way. | 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. | A Rich Picture brings an unclear situation onto a shared drawing. It captures actors, tensions, information flows, and blind spots before the team jumps to solutions too early. |
Complexitydifferent | Low | Medium | High | Low |
Timedifferent | 30-90 min | 45-90 min | Several meetings plus preparation and analysis; total effort depends on scope | 30-90 min |
Participantsdifferent | 1-4 | 3-8 | Evaluation team, architects, and relevant stakeholders | 2-10 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Scatter Plot, Korrelationsnotiz, Hypothesenliste | CATWOE Canvas, Root Definition, Stakeholder Perspectives, Constraints | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Rich Picture, Problem Framing Notes |
Tagsno overlap | Root causeQualityVisualization | Systems thinkingFramingStakeholders | ArchitectureQualityRiskTradeoffsStakeholders | Systems thinkingSoft systemsFramingVisualization |