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Selected:Customer Journey MappingKano ModelATAM (Architecture Tradeoff Analysis Method)Failure Mode and Effects Analysis
| Criterion |  UX Research Customer Journey Mapping |  Product Discovery Kano Model |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Operations Failure Mode and Effects Analysis |
|---|---|---|---|---|
Purposedifferent | When a user journey falls apart across many touchpoints, customer journey mapping makes the experience visible as a coherent arc. Phases, emotions, and breaks become legible enough to prioritize critical moments deliberately. | When features need to be distinguished by their effect on satisfaction, it makes expectations and surprises comparable. It separates basic needs, performance contribution, and delight. | 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. | 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. |
Complexitydifferent | Medium | Medium | High | High |
Timedifferent | 2-4 h | 1-2 Tage | Several meetings plus preparation and analysis; total effort depends on scope | 2-6 h |
Participantsdifferent | 4-10 | 10-50 | Evaluation team, architects, and relevant stakeholders | 3-10 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Journey Map, Pain-point List, Opportunity Backlog | Kano Matrix, Feature Classes, Priority Themes | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | FMEA Table, Risk Priority, Mitigation Actions |
Tagsno overlap | JourneyServiceService design | SatisfactionPrioritizationCustomer | ArchitectureQualityRiskTradeoffsStakeholders | RiskQualityOperationsRoot cause |