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Selected:ARID (Active Reviews for Intermediate Designs)Hypothesis-Driven Troubleshooting Smoke Test Fake Door Test

Criterion	Architecture ARID (Active Reviews for Intermediate Designs)	Engineering Hypothesis-Driven Troubleshooting	Product Discovery Smoke Test	Product Discovery Fake Door 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.	When systems fail unexpectedly, spontaneous attempts often produce more noise than insight. Hypothesis-driven Troubleshooting translates symptoms into testable assumptions and makes troubleshooting learnable.	When demand only needs to be roughly verified, it tests interest with minimal effort. It measures whether people would take a next step at all.	When demand is still unclear, it measures interest in a feature before it is built. It separates real behavior from polite agreement and deliberately keeps build effort small.
Complexitydifferent	Medium	Medium	Low	Medium
Timedifferent	2–4 h review as a planning range; preparation and evaluation additional	30-240 min	1-5 Tage	1-5 Tage
Participantsdifferent	Designers, developers as users, and facilitation	1-6	Nutzertraffic	Nutzertraffic
Formatdifferent	Workshop + async	Workshop + async	Async	Async
Outputdifferent	Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions	Hypothesis Log, Test Plan, Evidence Notes, Diagnosis Summary	Interest Metrics, Conversion Signal, Learning Note	Click Data, Interest Signal, Learning Decision
Tagsno overlap	ArchitectureEngineeringFeedbackValidationTasks	TroubleshootingProblem solvingDiagnosis	ValidationExperimentsDemandGrowth	ValidationExperimentsDemandDiscovery

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