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Selected:ARID (Active Reviews for Intermediate Designs)Constraint Analysis Test Card Experiment Canvas

Criterion	Architecture ARID (Active Reviews for Intermediate Designs)	Decision Making Constraint Analysis	Product Discovery Test Card	Product Discovery Experiment 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.	When an initiative stalls, the limit often lies not in the idea but in hard or soft boundary conditions. Constraint Analysis separates these limits and shows which of them can actually be shaped.	The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success.	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	Low	Low	Low
Timedifferent	2–4 h review as a planning range; preparation and evaluation additional	30-90 min	20-35 min	30-60 min
Participantsdifferent	Designers, developers as users, and facilitation	2-8	1-5	1-5
Formatsame	Workshop + async	Workshop + async	Workshop + async	Workshop + async
Outputdifferent	Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions	Constraint List, Hard/Soft Classification, Option Impact Notes, Decision Boundaries	Test Card with a pre-set threshold	Completed Experiment Canvas, Success Metric
Tagsno overlap	ArchitectureEngineeringFeedbackValidationTasks	ConstraintsDecisionPlanningOptions	ExperimentsValidationDiscoveryHypothesis	ExperimentsValidationDiscoveryHypothesis

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