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Selected:Fake Door Test ARID (Active Reviews for Intermediate Designs)Assumption Mapping Experiment Canvas

Criterion	Product Discovery Fake Door Test	Architecture ARID (Active Reviews for Intermediate Designs)	Product Discovery Assumption Mapping	Product Discovery Experiment Canvas
Purposedifferent	When demand is still unclear, it measures interest in a feature before it is built. It separates real behavior from polite agreement and deliberately keeps build effort small.	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.	When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first.	When experiments become unreadable after the fact, it arranges hypothesis, signal, and learning goal on a single canvas. It separates problem, assumption, solution, and evidence. The result is captured as a Completed Experiment Canvas and a Success Metric.
Complexitydifferent	Medium	Medium	Medium	Low
Timedifferent	1-5 Tage	2–4 h review as a planning range; preparation and evaluation additional	45-60 min	30-60 min
Participantsdifferent	Nutzertraffic	Designers, developers as users, and facilitation	2-8	1-5
Formatdifferent	Async	Workshop + async	Workshop + async	Workshop + async
Outputdifferent	Click Data, Interest Signal, Learning Decision	Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions	Assumption map, Test backlog, Risk ranking	Completed Experiment Canvas, Success Metric
Tags1 shared	ValidationExperimentsDemandDiscovery	ArchitectureEngineeringFeedbackValidationTasks	AssumptionsRiskExperimentsValidation	ExperimentsValidationDiscoveryHypothesis

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