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| Criterion |  UX Research Tree Testing |  Decision Making Delphi Method |  Decision Making Assumption Surfacing |  Business Strategy Business Model Stress Test |
|---|---|---|---|---|
Purposedifferent | When a navigation exists but search paths still fail, tree testing checks findability without visual distraction. The method shows whether labels, levels, and paths really lead to the intended destination. | When knowledge is distributed and direct dominance should be avoided, groups quickly fall under the sway of their opinion leaders. The Delphi Method gathers assessments iteratively and gradually brings expert judgments closer together. | 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. | A Business Model Stress Test checks how well a business model holds up under pressure and headwinds. It compares strengths, risks, market logic, and courses of action. The result is captured as a stress-test report and action plan per scenario. |
Complexitydifferent | Medium | High | Low | High |
Timedifferent | 1-2 Tage | 1-4 Wochen | 45-90 min | Half day |
Participantsdifferent | Based on research question | 6-30 Experten | 2-8 | 3-8 |
Formatdifferent | Async | Async | Workshop + async | Workshop |
Outputdifferent | Findability Metrics, Path Analysis, Revised IA | Expert Forecast, Consensus Range, Assumption Notes | Assumption List, Critical Assumptions, Learning Plan | Stress Test Report, Action Plan per Scenario |
Tagsno overlap | Information architectureNavigationFindability | ForecastingExpertsDecisionStrategy | AssumptionsRiskDecisionDiscovery | StrategyBusiness modelRiskDiagnosis |