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Selected:Personas ARID (Active Reviews for Intermediate Designs)Failure Mode and Effects Analysis Fishbone Diagram

Criterion	UX Research Personas	Architecture ARID (Active Reviews for Intermediate Designs)	Operations Failure Mode and Effects Analysis	Operations Fishbone Diagram
Purposedifferent	When target groups stay too vague and teams talk about the same people differently, personas create a shared, solid picture of usage. Condensed profiles make needs, contexts, and differences tangible enough for decisions.	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.	For a process, product, or service with noticeable failure risks, the method assesses possible failure modes in advance. It directs attention to combinations of occurrence, effect, and detectability.	When a problem has several possible contributing factors, the method sorts causes by cause areas. It prevents an initial hunch from blocking the view of other plausible drivers.
Complexitydifferent	Medium	Medium	High	Low
Timedifferent	1-3 Tage	2–4 h review as a planning range; preparation and evaluation additional	2-6 h	30-60 min
Participantsdifferent	Internes Team	Designers, developers as users, and facilitation	3-10	2-8
Formatdifferent	Workshop + async	Workshop + async	Workshop	Workshop
Outputdifferent	Persona Profiles, Needs Summary, Scenario Notes	Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions	FMEA Table, Risk Priority, Mitigation Actions	Fishbone Diagram, Cause Categories, Investigation Backlog
Tagsno overlap	ResearchCustomerSynthesis	ArchitectureEngineeringFeedbackValidationTasks	RiskQualityOperationsRoot cause	Root causeQualityOperations

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