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Criterion
First-click Testing method illustration showing its working structure
UX Research
First-click Testing
Paper illustration of an assumption matrix with prioritized test cards
Decision Making
Assumption Surfacing
Design sheets and interface cards connect to jointly written pseudocode with highlighted unresolved questions.
Architecture
ARID (Active Reviews for Intermediate Designs)
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.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.ARID examines how well developers can work with a technical design. It focuses on a part of the system that can still be revised, between the architecture overview and the detailed specification.
Complexitydifferent
LowLowMedium
Timedifferent
1-2 Tage45-90 min2–4 h review as a planning range; preparation and evaluation additional
Participantsdifferent
10-302-8Designers, developers as users, and facilitation
Formatdifferent
AsyncWorkshop + asyncWorkshop + async
Outputdifferent
Click Heatmap, Success Rate, Design RecommendationsAssumption List, Critical Assumptions, Learning PlanPrioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions
Tagsno overlap
UXNavigationFindabilityValidation
AssumptionsRiskDecisionDiscovery
ArchitectureEngineeringFeedbackValidationTasks
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Methods with strong topical overlap with the current selection, not yet in the comparison.

Paper illustration of a calm four-quadrant Assumption Map with hypothesis cards and emphasis on important assumptions with little evidence.
Product Discovery
Assumption Mapping
Paper illustration for Risk Storming.
Architecture
Risk Storming
Paper illustration of Riskiest Assumption Test with a method-specific labelled workspace.
Product Discovery
Riskiest Assumption Test
Paper illustration: scenarios and architectural decisions are connected to identified risks.
Architecture
ATAM (Architecture Tradeoff Analysis Method)