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| Criterion |  Delivery RAID Log |  UX Research User Interviews |  UX Research Affinity Diagramming |  Architecture ATAM (Architecture Tradeoff Analysis Method) |
|---|---|---|---|---|
Purposedifferent | Helps clarify scope, sequence, and delivery flow in concrete terms. It makes work, boundaries, and order steerable. The result is captured as a RAID Log and a source for status reporting. | When teams derive needs only from assumptions and real motives are missing, user interviews give direct access to behavior and meaning. Conversations from the target group's everyday life make patterns, tensions, and open questions solidly visible. | When research notes, feedback, or observations sit unconnected side by side, affinity diagramming sorts the raw material into solid themes. Many individual points turn into patterns that make decisions and opportunities clearer. | 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 | Low | Low | Low | High |
Timedifferent | 30 min Setup, dann laufend | 30–60 min per interview | 45–90 min | Several meetings plus preparation and analysis; total effort depends on scope |
Participantsdifferent | 1-3 maintaining, briefing for everyone | 1 participant per interview | 3-10 | Evaluation team, architects, and relevant stakeholders |
Formatdifferent | Async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | RAID Log, Status Report Source | Interview Notes, Themes, Insight Summary | Theme clusters, Insight statements, Opportunity areas | 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 | RiskTrackingStakeholdersGovernance | QualitativeResearchCustomerDiscovery | SynthesisQualitativeRoot cause | ArchitectureQualityRiskTradeoffsStakeholders |