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Selected:Fault Isolation Goal Question Metric ARID (Active Reviews for Intermediate Designs)HEART Framework

Criterion	Engineering Fault Isolation	Engineering Goal Question Metric	Architecture ARID (Active Reviews for Intermediate Designs)	UX Research HEART Framework
Purposedifferent	In technical failures, the visible symptom often gets mixed up with the actual cause. Fault Isolation narrows the fault space and progressively reduces which part of the system is truly affected.	Helps clarify technical problems, hypotheses, and next steps in concrete terms. It breaks a technical problem into testable parts. The result is captured as a GQM table and metric briefs.	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 observations, needs, and patterns in concrete terms. It groups observations into patterns, questions, and decisions. The result is captured as a HEART-GSM table and dashboard.
Complexitysame	Medium	Medium	Medium	Medium
Timedifferent	30-180 min	90-180 min	2–4 h review as a planning range; preparation and evaluation additional	120 min initial, dann laufend
Participantsdifferent	1-6	3-6	Designers, developers as users, and facilitation	3-6
Formatdifferent	Workshop + async	Workshop	Workshop + async	Workshop + async
Outputdifferent	Fault Isolation Map, Test Log, Excluded Hypotheses, Narrowed Fault Area	GQM Table, Metric Profiles	Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions	HEART-GSM Table, Dashboard
Tagsno overlap	TroubleshootingDiagnosisEngineering	MetricsMeasurementEngineeringAlignment	ArchitectureEngineeringFeedbackValidationTasks	MetricsUX researchMeasurementSatisfaction

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