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

Criterion	Architecture ARID (Active Reviews for Intermediate Designs)	Operations ALPEN Method	Operations Fishbone Diagram	Operations Failure Mode and Effects 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.	With an overloaded day full of too many tasks, a realistic picture of the day emerges. The method connects estimating, deciding, and buffer thinking so planning fits available energy and time.	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.	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.
Complexitydifferent	Medium	Low	Low	High
Timedifferent	2–4 h review as a planning range; preparation and evaluation additional	10-20 min daily	30-60 min	2-6 h
Participantsdifferent	Designers, developers as users, and facilitation	1	2-8	3-10
Formatdifferent	Workshop + async	Async	Workshop	Workshop
Outputdifferent	Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions	Daily Plan, Time Estimates, Review Notes	Fishbone Diagram, Cause Categories, Investigation Backlog	FMEA Table, Risk Priority, Mitigation Actions
Tagsno overlap	ArchitectureEngineeringFeedbackValidationTasks	PlanningTime managementProductivityOperations	Root causeQualityOperations	RiskQualityOperationsRoot cause

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