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Selected:ARID (Active Reviews for Intermediate Designs)Value Chain Analysis Test Card Business Model Stress Test

Criterion	Architecture ARID (Active Reviews for Intermediate Designs)	Business Strategy Value Chain Analysis	Product Discovery Test Card	Business Strategy Business Model Stress Test
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.	Value Chain Analysis shows where value is created, costs accrue, and differentiation becomes possible along the process. It compares strengths, risks, market logic, and courses of action. The result is captured as a value-chain map and lever list.	The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success.	A Business Model Stress Test checks how well a business model holds up under pressure and headwinds. It compares strengths, risks, market logic, and courses of action. The result is captured as a stress-test report and action plan per scenario.
Complexitydifferent	Medium	High	Low	High
Timedifferent	2–4 h review as a planning range; preparation and evaluation additional	Half day	20-35 min	Half day
Participantsdifferent	Designers, developers as users, and facilitation	3-8	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	Value Chain Map, Lever List	Test Card with a pre-set threshold	Stress Test Report, Action Plan per Scenario
Tagsno overlap	ArchitectureEngineeringFeedbackValidationTasks	StrategyBusiness modelDiagnosisAnalysis	ExperimentsValidationDiscoveryHypothesis	StrategyBusiness modelRiskDiagnosis

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