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Selected:Lean Startup ARID (Active Reviews for Intermediate Designs)Knowledge Mapping Assumption Mapping

Criterion	Innovation Lean Startup	Architecture ARID (Active Reviews for Intermediate Designs)	Knowledge Modeling Knowledge Mapping	Product Discovery Assumption Mapping
Purposedifferent	For uncertain business assumptions, the method forces the idea into contact with real market reactions early. It separates wishful picture, assumption, and observable behavior, so that learning becomes faster than planning. This translates uncertainty into measurable insight.	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.	Knowledge Mapping makes knowledge, gaps, and transfer paths visible across a field. It fits when expertise should not just exist but also be findable and transferable.	When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first.
Complexitysame	Medium	Medium	Medium	Medium
Timedifferent	Wochen bis Monate je Lernzyklus	2–4 h review as a planning range; preparation and evaluation additional	1-3 h	45-60 min
Participantsdifferent	2-8	Designers, developers as users, and facilitation	3-12	2-8
Formatdifferent	Workshop + async	Workshop + async	Workshop	Workshop + async
Outputdifferent	Hypothesis list, MVPs, Learning reports, Pivot or persevere decision	Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions	Knowledge Map, Critical Knowledge Areas, Transfer Plan	Assumption map, Test backlog, Risk ranking
Tagsno overlap	LeanStartupValidationMVP	ArchitectureEngineeringFeedbackValidationTasks	KnowledgeMappingRisk	AssumptionsRiskExperimentsValidation

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