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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 Future Reality Tree.
Systems Thinking
Future Reality Tree
Paper illustration for Behavior Over Time Graph.
Systems Thinking
Behavior Over Time Graph
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 Future Reality Tree shows how desired actions are meant to lead to a better system state. The method checks whether a path of change holds together logically before time flows into implementation.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.
Complexitydifferent
MediumHighLow
Timedifferent
2–4 h review as a planning range; preparation and evaluation additional2-4 h20-45 min
Participantsdifferent
Designers, developers as users, and facilitation3-81-10
Formatdifferent
Workshop + asyncWorkshopWorkshop + async
Outputdifferent
Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisionsFuture Reality Tree, Negative Branches, Assumption List, Improved InjectionsBehavior Over Time Graph, Trend Hypotheses, Key Events
Tagsno overlap
ArchitectureEngineeringFeedbackValidationTasks
Theory of ConstraintsSystems thinkingChange
Systems thinkingPatternsDynamics
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Often compared together

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

Causal Loop Diagram workspace showing the question, observations, and next decision.
Systems Thinking
Causal Loop Diagram
Stock and Flow Diagram method illustration showing its working structure
Systems Thinking
Stock and Flow Diagram
Paper illustration of System Archetypes with its method-specific working model.
Systems Thinking
System Archetypes
Paper illustration for Evaporating Cloud.
Systems Thinking
Evaporating Cloud