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Selected:ATAM (Architecture Tradeoff Analysis Method)Assumption MappingGIST PlanningRiskiest Assumption Test
| Criterion |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Product Discovery Assumption Mapping |  Product Strategy GIST Planning |  Product Discovery Riskiest Assumption Test |
|---|---|---|---|---|
Purposedifferent | 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. | GIST Planning helps clarify target groups, value, goals, and priorities. It links customer value, product logic, and decision priorities, and captures the result as goals, an idea bank, and a step-project list. | When an idea hinges on one critical unknown, it prioritizes testing that exact piece of uncertainty first. It separates problem, assumption, solution, and evidence. The result is captured as a prioritized list of assumptions, a test plan, and a result report. |
Complexitydifferent | High | Medium | Medium | Medium |
Timedifferent | Several meetings plus preparation and analysis; total effort depends on scope | 45-60 min | Wochen bis Monate je Goal | 1-2 Wochen pro Iteration |
Participantsdifferent | Evaluation team, architects, and relevant stakeholders | 2-8 | 3-10 | 2-6 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | 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 | Goals, Idea bank, Step-project list, Tasks, Learning reports | Prioritized Assumption List, Test Plan, Results Report |
Tagsno overlap | ArchitectureQualityRiskTradeoffsStakeholders | AssumptionsRiskExperimentsValidation | RoadmapOutcomesPlanningExperiments | ExperimentsValidationDiscoveryAssumptions |