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| Criterion |  UX Research First-click Testing |  UX Research Tree Testing |  Decision Making OODA Loop |  UX Research Card Sorting |
|---|---|---|---|---|
Purposedifferent | 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. | 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. | In dynamic situations, decisions become outdated faster than they can be prepared.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 content only makes sense internally and users can't find the structure again, card sorting exposes their mental order. Terms, groups, and naming are then aligned with the target group's expectations. |
Complexitydifferent | Low | Medium | Medium | Low |
Timedifferent | 1-2 Tage | 1-2 Tage | 15-60 min je Zyklus | 20-45 min |
Participantsdifferent | 10-30 | Based on research question | 1-8 | Based on research question |
Formatdifferent | Async | Async | Workshop + async | Workshop + async |
Outputdifferent | Click Heatmap, Success Rate, Design Recommendations | Findability Metrics, Path Analysis, Revised IA | Situation Assessment, Decision Loop, Action Updates | Content groups, Label set, IA hypotheses |
Tagsno overlap | UXNavigationFindabilityValidation | Information architectureNavigationFindability | DecisionChangeLearningStrategy | Information architectureNavigationStructure |