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Selected:ARID (Active Reviews for Intermediate Designs)Software Architecture Canvas Test Card Hypothesis Prioritization Canvas

Criterion	Architecture ARID (Active Reviews for Intermediate Designs)	Architecture Software Architecture Canvas	Product Discovery Test Card	Product Discovery Hypothesis Prioritization Canvas
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 Software Architecture Canvas reduces a system to the most important architecture decisions, constraints, and interfaces. It is useful when teams need a resilient overall picture quickly.	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.
Complexitydifferent	Medium	Low	Low	Medium
Timedifferent	2–4 h review as a planning range; preparation and evaluation additional	1-2 h	20-35 min	60-90 min
Participantsdifferent	Designers, developers as users, and facilitation	3-10	1-5	3-8
Formatdifferent	Workshop + async	Workshop	Workshop + async	Workshop
Outputdifferent	Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions	Architecture Canvas, Goals, Constraints, Quality Attributes	Test Card with a pre-set threshold	Prioritization Canvas, Hypothesis Backlog
Tagsno overlap	ArchitectureEngineeringFeedbackValidationTasks	CanvasArchitectureAlignmentWorkshop	ExperimentsValidationDiscoveryHypothesis	ExperimentsPrioritizationDiscoveryHypothesis

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