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| Criterion |  Delivery Shape Up |  UX Research User Interviews |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Decision Making Assumption Surfacing |
|---|---|---|---|---|
Purposedifferent | Shape Up helps clarify scope, sequence, and delivery flow. It makes work boundaries and decisions explicit and captures results as pitches, bet-table decisions, and hill charts. | 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. | 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. | 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. |
Complexitydifferent | Medium | Low | High | Low |
Timedifferent | 6 Wochen Cycle + 2 Wochen Cool-Down | 30–60 min per interview | Several meetings plus preparation and analysis; total effort depends on scope | 45-90 min |
Participantsdifferent | 2-4 pro Pitch | 1 participant per interview | Evaluation team, architects, and relevant stakeholders | 2-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Pitches, Bet-table decisions, Hill charts, Cooldown outcomes | Interview Notes, Themes, Insight Summary | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Assumption List, Critical Assumptions, Learning Plan |
Tagsno overlap | PlanningDeliveryAutonomy | QualitativeResearchCustomerDiscovery | ArchitectureQualityRiskTradeoffsStakeholders | AssumptionsRiskDecisionDiscovery |