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| Criterion |  UX Research Tree Testing |  Decision Making Delphi Method |  Decision Making OODA Loop |  UX Research First-click Testing |
|---|---|---|---|---|
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. | In dynamic situations, decisions become outdated faster than they can be prepared. The OODA Loop holds observing, orienting, deciding, and acting together as a recurring rhythm so reaction does not slide into inertia. | When users immediately turn the wrong way on a screen or wireframe, first click testing checks initial orientation at high speed. The first click shows early whether expectation, labeling, and wayfinding fit together. |
Complexitydifferent | Medium | High | Medium | Low |
Timedifferent | 1-2 Tage | 1-4 Wochen | 15-60 min je Zyklus | 1-2 Tage |
Participantsdifferent | Based on research question | 6-30 Experten | 1-8 | 10-30 |
Formatdifferent | Async | Async | Workshop + async | Async |
Outputdifferent | Findability Metrics, Path Analysis, Revised IA | Expert Forecast, Consensus Range, Assumption Notes | Situation Assessment, Decision Loop, Action Updates | Click Heatmap, Success Rate, Design Recommendations |
Tagsno overlap | Information architectureNavigationFindability | ForecastingExpertsDecisionStrategy | DecisionChangeLearningStrategy | UXNavigationFindabilityValidation |