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Selected:ARID (Active Reviews for Intermediate Designs)Risk Storming MORT Analysis Fault Tree Analysis

Criterion	Architecture ARID (Active Reviews for Intermediate Designs)	Architecture Risk Storming	Operations MORT Analysis	Operations Fault Tree Analysis
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.	Helps clarify architecture context, options, and consequences in concrete terms. It organizes technical context, alternatives, and consequences. The result is captured as an Annotated Diagram, a Prioritized Risk List, and an Action Backlog.	For a safety-relevant event or a system with high protection requirements, the method examines where controls failed. It exposes both technical and organizational gaps.	For a critical top event with several possible triggers, the method logically models failure paths. It makes visible which combinations of conditions can lead to damage.
Complexitydifferent	Medium	Low	High	High
Timedifferent	2–4 h review as a planning range; preparation and evaluation additional	60-90 min	Mehrere Tage bis Wochen	2-6 h
Participantsdifferent	Designers, developers as users, and facilitation	4-12	2-6	3-8
Formatdifferent	Workshop + async	Workshop	Workshop + async	Workshop + async
Outputdifferent	Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions	Annotated Diagram, Prioritized Risk List, Action Backlog	MORT Worksheets, Findings per Branch, Corrective Actions, Systemic Recommendations	Fault Tree, Critical Paths, Cause Hypotheses, Control Actions
Tagsno overlap	ArchitectureEngineeringFeedbackValidationTasks	RiskArchitectureWorkshopValidation	Root causeSafetySystemicIncident	RiskRoot causeSafety

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