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Criterion
Paper illustration for 1-2-4-All.
Facilitation
1-2-4-All
First-click Testing method illustration showing its working structure
UX Research
First-click Testing
Paper illustration of a branching category tree with a highlighted search path and possible dead ends.
UX Research
Tree Testing
Paper illustration of a participant using a prototype while an observer takes notes beside a highlighted usability issue.
UX Research
Usability Testing
Purposedifferent
When many people in a group too rarely get to speak, 1-2-4-All distributes thinking time more fairly. The format builds participation step by step and makes quiet or still-unformed thoughts usable faster.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.When a product is built but people get stuck on tasks, usability testing shows the friction at concrete points. Observed use instead of self-report makes visible where orientation, understanding, or interaction breaks down.
Complexitydifferent
LowLowMediumMedium
Timedifferent
10-20 min1-2 Tage1-2 Tage1-2 h je Session
Participantsdifferent
4-100+10-30Based on research questionBased on research question
Formatdifferent
WorkshopAsyncAsyncWorkshop + async
Outputdifferent
Idea List, Shared Insights, Emergent ThemesClick Heatmap, Success Rate, Design RecommendationsFindability Metrics, Path Analysis, Revised IAUsability Issues, Severity List, Recommendations
Tagsno overlap
FacilitationInclusionIdeation
UXNavigationFindabilityValidation
Information architectureNavigationFindability
ValidationUXPrototype
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