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Criterion
Paper illustration of an IBIS map with issues, positions and arguments
Knowledge Modeling
IBIS
Paper illustration of an assumption matrix with prioritized test cards
Decision Making
Assumption Surfacing
Paper illustration for RAPID
Decision Making
RAPID
Purposedifferent
IBIS structures thinking about complex questions as a sequence of issues, ideas, and arguments. The method keeps discussions open without forcing them into premature consensus.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.In complex management decisions, clarity is often missing about who recommends, who agrees, and who makes the decision. RAPID creates this assignment and stabilizes decisions across several levels.
Complexitydifferent
MediumLowMedium
Timedifferent
1-3 h45-90 min45-90 min
Participantsdifferent
2-82-83-12
Formatsame
Workshop + asyncWorkshop + asyncWorkshop + async
Outputdifferent
Issue Map, Positions, Argument NotesAssumption List, Critical Assumptions, Learning PlanRAPID Role Map, Recommendation, Decision Log
Tags1 shared
RationaleKnowledgeDecision
AssumptionsRiskDecisionDiscovery
DecisionRolesGovernance
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Methods with strong topical overlap with the current selection, not yet in the comparison.

Paper illustration of two considered options leading to a decision record with a marked status and visible consequences.
Architecture
Architecture Decision Record
Paper illustration for Argument Mapping
Decision Making
Argument Mapping
Paper illustration of a calm four-quadrant Assumption Map with hypothesis cards and emphasis on important assumptions with little evidence.
Product Discovery
Assumption Mapping