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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 Hypothesis-Driven Troubleshooting.
Engineering
Hypothesis-Driven Troubleshooting
Paper illustration for Risk Storming.
Architecture
Risk Storming
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 systems fail unexpectedly, spontaneous attempts often produce more noise than insight. Hypothesis-driven Troubleshooting translates symptoms into testable assumptions and makes troubleshooting learnable.Helps clarify architecture context, options, and consequences in concrete terms. It organizes technical context, alternatives, and consequences. The result is captured as an Annotated Diagram, a Prioritized Risk List, and an Action Backlog.
Complexitydifferent
MediumMediumLow
Timedifferent
2–4 h review as a planning range; preparation and evaluation additional30-240 min60-90 min
Participantsdifferent
Designers, developers as users, and facilitation1-64-12
Formatdifferent
Workshop + asyncWorkshop + asyncWorkshop
Outputdifferent
Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisionsHypothesis Log, Test Plan, Evidence Notes, Diagnosis SummaryAnnotated Diagram, Prioritized Risk List, Action Backlog
Tagsno overlap
ArchitectureEngineeringFeedbackValidationTasks
TroubleshootingProblem solvingDiagnosis
RiskArchitectureWorkshopValidation
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Often compared together

Methods with strong topical overlap with the current selection, not yet in the comparison.

Paper illustration for Fault Isolation.
Engineering
Fault Isolation
Paper illustration of a calm four-quadrant Assumption Map with hypothesis cards and emphasis on important assumptions with little evidence.
Product Discovery
Assumption Mapping
Paper illustration: scenarios and architectural decisions are connected to identified risks.
Architecture
ATAM (Architecture Tradeoff Analysis Method)
Paper illustration of Business Model Stress Test with its method-specific working model.
Business Strategy
Business Model Stress Test