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Selected:ARID (Active Reviews for Intermediate Designs)5 Whys Software Architecture Canvas Root Cause Analysis

Criterion	Architecture ARID (Active Reviews for Intermediate Designs)	Operations 5 Whys	Architecture Software Architecture Canvas	Operations Root Cause 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.	For a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description.	The Software Architecture Canvas reduces a system to the most important architecture decisions, constraints, and interfaces. It is useful when teams need a resilient overall picture quickly.	When a problem keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another.
Complexitydifferent	Medium	Low	Low	Medium
Timedifferent	2–4 h review as a planning range; preparation and evaluation additional	15-30 min	1-2 h	1-4 h
Participantsdifferent	Designers, developers as users, and facilitation	2-6	3-10	3-8
Formatdifferent	Workshop + async	Workshop	Workshop	Workshop + async
Outputdifferent	Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions	Root cause notes, Countermeasures	Architecture Canvas, Goals, Constraints, Quality Attributes	Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan
Tagsno overlap	ArchitectureEngineeringFeedbackValidationTasks	Root causeIncidentLeanProblem solving	CanvasArchitectureAlignmentWorkshop	Root causeProblem solvingQualityIncident

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