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Selected:Diary StudyFailure Mode and Effects AnalysisEvent ModelingATAM (Architecture Tradeoff Analysis Method)
| Criterion |  UX Research Diary Study |  Operations Failure Mode and Effects Analysis |  Knowledge Modeling Event Modeling |  Architecture ATAM (Architecture Tradeoff Analysis Method) |
|---|---|---|---|---|
Purposedifferent | When experiences build up over days or weeks and a single session cannot capture them, Diary Study records the course of everyday life. Recurring triggers, moods, and habits become visible this way, beyond the sharpness of memory. | 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. | Event Modeling connects business workflows with commands, events, and views into one coherent mental model. It helps design behavior, UI, and technical slices from the same underlying logic. | 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 | High | Medium | High |
Timedifferent | 1-4 Wochen | 2-6 h | 2-6 h | Several meetings plus preparation and analysis; total effort depends on scope |
Participantsdifferent | 5-20 | 3-10 | 2-8 | Evaluation team, architects, and relevant stakeholders |
Formatdifferent | Async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Diary Entries, Longitudinal Patterns, Experience Timeline | FMEA Table, Risk Priority, Mitigation Actions | Event Model, UI Flow, Commands, Read Models | 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 | UX researchTrackingBehavior | RiskQualityOperationsRoot cause | EventsBlueprintDomain-Driven DesignBehavior | ArchitectureQualityRiskTradeoffsStakeholders |