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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 Evaporating Cloud.
Systems Thinking
Evaporating Cloud
Paper illustration of Leverage Points with its method-specific working model.
Systems Thinking
Leverage Points
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.The method makes visible why two seemingly incompatible demands arise and which assumption must be tested to resolve the conflict.Leverage Points show exactly where interventions in a system produce a disproportionate effect. It draws relationships, patterns, and feedback loops. The result is captured as a leverage map and action strategy.
Complexitydifferent
MediumHighMediumHigh
Timedifferent
2–4 h review as a planning range; preparation and evaluation additional2-4 h60-120 minHalf day
Participantsdifferent
Designers, developers as users, and facilitation3-82-83-12
Formatdifferent
Workshop + asyncWorkshopWorkshopWorkshop
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 InjectionsConflict Cloud, Assumption List, Breakthrough Ideas, Next ExperimentsLeverage Map, Action Strategy
Tagsno overlap
ArchitectureEngineeringFeedbackValidationTasks
Theory of ConstraintsSystems thinkingChange
Theory of ConstraintsAssumptionsSystems thinking
Systems thinkingChangeStrategy
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