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Selected:ARID (Active Reviews for Intermediate Designs)Test Card Hypothesis Prioritization Canvas MVP Test Matrix

Criterion	Architecture ARID (Active Reviews for Intermediate Designs)	Product Discovery Test Card	Product Discovery Hypothesis Prioritization Canvas	Product Discovery MVP Test Matrix
Purposedifferent	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.	The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success.	When many hypotheses compete for attention, it brings order to their learning sequence and importance. It separates problem, assumption, solution, and evidence. The result is captured as a prioritization canvas and a hypothesis backlog.	When several minimal variants compete to answer the same question, it makes comparing and choosing between them cleaner. It separates problem, assumption, solution, and evidence. The result is captured as a Test Matrix and a Test Plan.
Complexitydifferent	Medium	Low	Medium	Medium
Timedifferent	2–4 h review as a planning range; preparation and evaluation additional	20-35 min	60-90 min	45-75 min
Participantsdifferent	Designers, developers as users, and facilitation	1-5	3-8	2-8
Formatdifferent	Workshop + async	Workshop + async	Workshop	Workshop
Outputdifferent	Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions	Test Card with a pre-set threshold	Prioritization Canvas, Hypothesis Backlog	Test Matrix, Test Plan
Tagsno overlap	ArchitectureEngineeringFeedbackValidationTasks	ExperimentsValidationDiscoveryHypothesis	ExperimentsPrioritizationDiscoveryHypothesis	ExperimentsValidationDiscoveryOptions

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