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Selected:Getting Things Done Fake Door Test ARID (Active Reviews for Intermediate Designs)MVP Test Matrix

Criterion	Operations Getting Things Done	Product Discovery Fake Door Test	Architecture ARID (Active Reviews for Intermediate Designs)	Product Discovery MVP Test Matrix
Purposedifferent	With many open commitments and ideas in daily life, a reliable external storage system emerges. The method relieves the mind so priority and context don't have to compete in memory.	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.	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 several minimal variants compete to answer the same question, it makes comparing and choosing between them cleaner. It separates problem, assumption, solution, and evidence. The result is captured as a Test Matrix and a Test Plan.
Complexitysame	Medium	Medium	Medium	Medium
Timedifferent	1-2 h Setup, laufend	1-5 Tage	2–4 h review as a planning range; preparation and evaluation additional	45-75 min
Participantsdifferent	1	Nutzertraffic	Designers, developers as users, and facilitation	2-8
Formatdifferent	Async	Async	Workshop + async	Workshop
Outputdifferent	Action Lists, Project List, Review Routine	Click Data, Interest Signal, Learning Decision	Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions	Test Matrix, Test Plan
Tagsno overlap	ProductivityPlanningTasksExecution	ValidationExperimentsDemandDiscovery	ArchitectureEngineeringFeedbackValidationTasks	ExperimentsValidationDiscoveryOptions

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