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Criterion
Paper illustration for Hypothesis-Driven Troubleshooting.
Engineering
Hypothesis-Driven Troubleshooting
Paper illustration of an assumption matrix with prioritized test cards
Decision Making
Assumption Surfacing
Paper illustration for Risk Storming.
Architecture
Risk Storming
Purposedifferent
When systems fail unexpectedly, spontaneous attempts often produce more noise than insight. Hypothesis-driven Troubleshooting translates symptoms into testable assumptions and makes troubleshooting learnable.Plans often contain assumptions that were never openly stated and remain dangerous precisely because of that. Assumption Surfacing makes these silent premises visible and prioritizes which of them carry the initiative or could sink it.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
MediumLowLow
Timedifferent
30-240 min45-90 min60-90 min
Participantsdifferent
1-62-84-12
Formatdifferent
Workshop + asyncWorkshop + asyncWorkshop
Outputdifferent
Hypothesis Log, Test Plan, Evidence Notes, Diagnosis SummaryAssumption List, Critical Assumptions, Learning PlanAnnotated Diagram, Prioritized Risk List, Action Backlog
Tagsno overlap
TroubleshootingProblem solvingDiagnosis
AssumptionsRiskDecisionDiscovery
RiskArchitectureWorkshopValidation
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Methods with strong topical overlap with the current selection, not yet in the comparison.

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 of the Lightning Decision Jam working structure.
Facilitation
Decision Jam
Paper illustration of Riskiest Assumption Test with a method-specific labelled workspace.
Product Discovery
Riskiest Assumption Test
Design sheets and interface cards connect to jointly written pseudocode with highlighted unresolved questions.
Architecture
ARID (Active Reviews for Intermediate Designs)