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Selected:Customer Journey MappingAssumption SurfacingATAM (Architecture Tradeoff Analysis Method)Concierge MVP
| Criterion |  UX Research Customer Journey Mapping |  Decision Making Assumption Surfacing |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Product Discovery Concierge MVP |
|---|---|---|---|---|
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. | Plans often contain assumptions that were never openly stated and remain dangerous precisely because of that. Assumption Surfacing makes these silent premises visible and prioritizes which of them carry the initiative or could sink it. | 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. | When an idea can first fail or grow through genuine hands-on support, it relies on manual work instead of automation. It shows whether user value holds up even under manual execution. |
Complexitydifferent | Medium | Low | High | Medium |
Timedifferent | 2-4 h | 45-90 min | Several meetings plus preparation and analysis; total effort depends on scope | 1-4 Wochen |
Participantsdifferent | 4-10 | 2-8 | Evaluation team, architects, and relevant stakeholders | 3-10 Kunden |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Journey Map, Pain-point List, Opportunity Backlog | Assumption List, Critical Assumptions, Learning Plan | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Concierge Learnings, Service Blueprint, MVP Risks |
Tagsno overlap | JourneyServiceService design | AssumptionsRiskDecisionDiscovery | ArchitectureQualityRiskTradeoffsStakeholders | MVPValidationServiceDiscovery |