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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 Theory of Constraints Thinking Process.
Systems Thinking
Theory of Constraints Thinking Process
Paper illustration for Evaporating Cloud.
Systems Thinking
Evaporating Cloud
Paper illustration of a calm four-quadrant Assumption Map with hypothesis cards and emphasis on important assumptions with little evidence.
Product Discovery
Assumption Mapping
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.The Theory of Constraints Thinking Process exposes a system's bottleneck and the logic behind it. It suits situations where many symptoms trace back to the same limiting relationship.The method makes visible why two seemingly incompatible demands arise and which assumption must be tested to resolve the conflict.When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first.
Complexitydifferent
MediumHighMediumMedium
Timedifferent
2–4 h review as a planning range; preparation and evaluation additional0.5-3 Tage60-120 min45-60 min
Participantsdifferent
Designers, developers as users, and facilitation4-102-82-8
Formatdifferent
Workshop + asyncWorkshopWorkshopWorkshop + async
Outputdifferent
Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisionsCurrent Reality Logic, Conflict Cloud, Future Reality Tree, Implementation ObstaclesConflict Cloud, Assumption List, Breakthrough Ideas, Next ExperimentsAssumption map, Test backlog, Risk ranking
Tagsno overlap
ArchitectureEngineeringFeedbackValidationTasks
Theory of ConstraintsConstraintsSystems thinkingCausality
Theory of ConstraintsAssumptionsSystems thinking
AssumptionsRiskExperimentsValidation
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