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Selected:ARID (Active Reviews for Intermediate Designs)Solution Interview Learning Card Experiment Canvas

Criterion	Architecture ARID (Active Reviews for Intermediate Designs)	Product Discovery Solution Interview	Product Discovery Learning 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 a solution idea is already on the table, it checks how it is understood and evaluated. It looks for resonance, objections, and missing fit early in the conversation.	The Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible.	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	Low	Low
Timedifferent	2–4 h review as a planning range; preparation and evaluation additional	30-60 min je Interview	25-40 min	30-60 min
Participantsdifferent	Designers, developers as users, and facilitation	5-10 Interviews	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	Solution Feedback, Objection List, Validation Notes	Learning Card with evidence and next action	Completed Experiment Canvas, Success Metric
Tags1 shared	ArchitectureEngineeringFeedbackValidationTasks	ValidationInterviewsPrototype	ExperimentsValidationDiscoveryLearning	ExperimentsValidationDiscoveryHypothesis

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