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Criterion
Paper illustration for CATWOE Analysis.
Systems Thinking
CATWOE Analysis
Paper illustration for Risk Storming.
Architecture
Risk Storming
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
CATWOE structures a problem from six viewpoints and prevents too narrow a view of the situation. Different experiences of the system become comparably discussable this way.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.When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first.
Complexitydifferent
MediumLowMedium
Timedifferent
45-90 min60-90 min45-60 min
Participantsdifferent
3-84-122-8
Formatdifferent
Workshop + asyncWorkshopWorkshop + async
Outputdifferent
CATWOE Canvas, Root Definition, Stakeholder Perspectives, ConstraintsAnnotated Diagram, Prioritized Risk List, Action BacklogAssumption map, Test backlog, Risk ranking
Tagsno overlap
Systems thinkingFramingStakeholders
RiskArchitectureWorkshopValidation
AssumptionsRiskExperimentsValidation
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Methods with strong topical overlap with the current selection, not yet in the comparison.

Paper illustration: scenarios and architectural decisions are connected to identified risks.
Architecture
ATAM (Architecture Tradeoff Analysis Method)
Paper illustration of Riskiest Assumption Test with a method-specific labelled workspace.
Product Discovery
Riskiest Assumption Test
Architecture Communication Canvas method illustration showing its working structure
Architecture
Architecture Communication Canvas