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Criterion
Paper illustration of Request for Comments (RFC) with its method-specific working model.
Architecture
Request for Comments
Paper illustration of an assumption matrix with prioritized test cards
Decision Making
Assumption Surfacing
Paper illustration of Cost of Delay with its method-specific working model.
Delivery
Cost of Delay
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
An RFC clarifies architecture context, options, and consequences. It structures technical context, alternatives, tradeoffs, open questions, and review feedback, and captures the result as an RFC document, reviewer comments, and a decision rationale.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 scope, order, and delivery flow in concrete terms. It makes work, constraints, and sequence manageable. The result is captured as a Cost of Delay table and prioritization sequence.When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first.
Complexitydifferent
MediumLowHighMedium
Timedifferent
1-3 Wochen vom Draft bis zur Entscheidung45-90 min90-180 min45-60 min
Participantsdifferent
3-20 Reviewer2-83-82-8
Formatdifferent
AsyncWorkshop + asyncWorkshopWorkshop + async
Outputdifferent
RFC document, Reviewer comments, Decision rationale, Follow-up ADR or ticketsAssumption List, Critical Assumptions, Learning PlanCoD Table, Prioritization SequenceAssumption map, Test backlog, Risk ranking
Tagsno overlap
ArchitectureDecisionAsyncGovernance
AssumptionsRiskDecisionDiscovery
PrioritizationDeliveryEconomicsDecision
AssumptionsRiskExperimentsValidation
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