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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)
Anonymous individual judgments pass through feedback loops to form a distribution.
Decision Making
Delphi Method
Paper illustration of Barrier Analysis with its method-specific working model.
Operations
Barrier Analysis
Paper illustration for Causal Factor Analysis.
Operations
Causal Factor 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.When knowledge is distributed and direct dominance should be avoided, groups quickly fall under the sway of their opinion leaders. The Delphi Method gathers assessments iteratively and gradually brings expert judgments closer together.For a risk that can only be managed through multiple layers of protection, the method examines the effectiveness of each barrier. It shows where safeguards are missing, too weak, or fail under real conditions.For an event with a complicated course, the method breaks down the contributing factors along the timeline. It shows how conditions, decisions, and reactions together produce a course of events.
Complexitydifferent
MediumHighMediumHigh
Timedifferent
2–4 h review as a planning range; preparation and evaluation additional1-4 Wochen2-4 h2-6 h
Participantsdifferent
Designers, developers as users, and facilitation6-30 Experten2-63-10
Formatdifferent
Workshop + asyncAsyncWorkshop + asyncWorkshop + async
Outputdifferent
Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisionsExpert Forecast, Consensus Range, Assumption NotesBarrier Inventory, Failure Analysis per Barrier, Action BacklogEvent Timeline, Causal Factor Chart, Cause List, Corrective Actions
Tagsno overlap
ArchitectureEngineeringFeedbackValidationTasks
ForecastingExpertsDecisionStrategy
Root causeSafetyIncident
CausalityIncidentRoot causeTimeline
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