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Selected:Solution Interview ARID (Active Reviews for Intermediate Designs)Counter Metrics Assumption Mapping

Criterion	Product Discovery Solution Interview	Architecture ARID (Active Reviews for Intermediate Designs)	Product Strategy Counter Metrics	Product Discovery Assumption Mapping
Purposedifferent	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.	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 headline metric could mask side effects, it adds guardrail signals against unwanted outcomes. It connects customer value, product logic, and decision priorities. The result is captured as a counter-metric list and guardrail definitions.	When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first.
Complexitydifferent	Medium	Medium	Low	Medium
Timedifferent	30-60 min je Interview	2–4 h review as a planning range; preparation and evaluation additional	30-60 min	45-60 min
Participantsdifferent	5-10 Interviews	Designers, developers as users, and facilitation	2-6	2-8
Formatsame	Workshop + async	Workshop + async	Workshop + async	Workshop + async
Outputdifferent	Solution Feedback, Objection List, Validation Notes	Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions	Counter Metric List, Guardrail Definitions	Assumption map, Test backlog, Risk ranking
Tagsno overlap	ValidationInterviewsPrototype	ArchitectureEngineeringFeedbackValidationTasks	MetricsMeasurementStrategyExperiments	AssumptionsRiskExperimentsValidation

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