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Selected:ARID (Active Reviews for Intermediate Designs)ALPEN Method Affinity Diagramming Fishbone Diagram

Criterion	Architecture ARID (Active Reviews for Intermediate Designs)	Operations ALPEN Method	UX Research Affinity Diagramming	Operations Fishbone Diagram
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 research notes, feedback, or observations sit unconnected side by side, affinity diagramming sorts the raw material into solid themes. Many individual points turn into patterns that make decisions and opportunities clearer.	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	Low	Low	Low
Timedifferent	2–4 h review as a planning range; preparation and evaluation additional	10-20 min daily	45–90 min	30-60 min
Participantsdifferent	Designers, developers as users, and facilitation	1	3-10	2-8
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	Theme clusters, Insight statements, Opportunity areas	Fishbone Diagram, Cause Categories, Investigation Backlog
Tagsno overlap	ArchitectureEngineeringFeedbackValidationTasks	PlanningTime managementProductivityOperations	SynthesisQualitativeRoot cause	Root causeQualityOperations

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