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Selected:Opportunity Solution TreeOpportunity InterviewATAM (Architecture Tradeoff Analysis Method)Assumption Mapping
| Criterion |  Product Discovery Opportunity Solution Tree |  Product Discovery Opportunity Interview |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Product Discovery Assumption Mapping |
|---|---|---|---|---|
Purposedifferent | When discovery keeps swinging between goals, ideas, and learning loops, it creates clear steering logic. It connects the desired outcome, opportunities, and experiments into a legible structure. | When opportunities are still hidden behind signals of need, it structures conversations around needs and obstacles. It looks for patterns that lead to new product opportunities. | 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 assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. |
Complexitydifferent | Medium | Medium | High | Medium |
Timedifferent | 1-2 h Setup, laufend | 30-60 min je Interview | Several meetings plus preparation and analysis; total effort depends on scope | 45-60 min |
Participantsdifferent | 2-6 | 5-12 Interviews | Evaluation team, architects, and relevant stakeholders | 2-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Opportunity Solution Tree, Experiment Backlog, Learning Log | Interview Notes, Opportunity Themes, Customer Quotes | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Assumption map, Test backlog, Risk ranking |
Tagsno overlap | DiscoveryOutcomesExperimentsOpportunity | DiscoveryInterviewsOpportunityCustomer | ArchitectureQualityRiskTradeoffsStakeholders | AssumptionsRiskExperimentsValidation |