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Selected:Architecture Decision Record Problem Interview ARID (Active Reviews for Intermediate Designs)Concierge MVP

Criterion	Architecture Architecture Decision Record	Product Discovery Problem Interview	Architecture ARID (Active Reviews for Intermediate Designs)	Product Discovery Concierge MVP
Purposedifferent	An ADR permanently records an architecture decision with context, trade-offs, and consequence. It creates continuity for later changes because the decision path stays traceable.	When the picture of the problem still needs to become solid, it asks about real situations and consequences. It separates genuine suffering from mere interest in a solution.	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 idea can first fail or grow through genuine hands-on support, it relies on manual work instead of automation. It shows whether user value holds up even under manual execution.
Complexitydifferent	Low	Medium	Medium	Medium
Timedifferent	15-45 min	30-60 min je Interview	2–4 h review as a planning range; preparation and evaluation additional	1-4 Wochen
Participantsdifferent	1-3	5-12 Interviews	Designers, developers as users, and facilitation	3-10 Kunden
Formatdifferent	Async	Workshop + async	Workshop + async	Workshop + async
Outputdifferent	ADR File, Decision Log, Rationale	Problem Evidence, Risk Notes, Customer Segments	Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions	Concierge Learnings, Service Blueprint, MVP Risks
Tagsno overlap	ArchitectureRationaleDocumentationGovernance	DiscoveryInterviewsValidation	ArchitectureEngineeringFeedbackValidationTasks	MVPValidationServiceDiscovery

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