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Criterion
Design sheets and interface cards connect to jointly written pseudocode with highlighted unresolved questions.
Architecture
ARID (Active Reviews for Intermediate Designs)
Paper illustration for Behavior Over Time Graph.
Systems Thinking
Behavior Over Time Graph
Paper illustration of MORT Analysis with its method-specific working model.
Operations
MORT Analysis
Paper illustration of Family Tree Analysis with its method-specific working model.
Operations
Family 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.A Behavior Over Time Graph shows how a metric or observation develops over time. The method makes trends, breaks, and recurring patterns visible that get lost in snapshots.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 series of incidents with a similar pattern, the method arranges individual events as branches of a common origin. It makes visible which conditions keep recurring.
Complexitydifferent
MediumLowHighMedium
Timedifferent
2–4 h review as a planning range; preparation and evaluation additional20-45 minMehrere Tage bis Wochen2-4 h
Participantsdifferent
Designers, developers as users, and facilitation1-102-62-6
Formatsame
Workshop + asyncWorkshop + asyncWorkshop + asyncWorkshop + async
Outputdifferent
Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisionsBehavior Over Time Graph, Trend Hypotheses, Key EventsMORT Worksheets, Findings per Branch, Corrective Actions, Systemic RecommendationsFamily Tree Diagram, Pattern Notes, Systemic Measures
Tagsno overlap
ArchitectureEngineeringFeedbackValidationTasks
Systems thinkingPatternsDynamics
Root causeSafetySystemicIncident
Root causePatternsIncidentSystemic
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