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Criterion
Paper illustration of an assumption matrix with prioritized test cards
Decision Making
Assumption Surfacing
Paper illustration of an activity-role table with clear RACI assignments and one highlighted accountable role per activity.
Operations
RACI Matrix
Purposedifferent
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.With unclear responsibilities across several roles or areas, the method creates unambiguous accountability logic. It reduces friction because decision, execution, contribution, and information become separately visible.
Complexitysame
LowLow
Timesame
45-90 min45-90 min
Participantssame
2-82-8
Formatsame
Workshop + asyncWorkshop + async
Outputdifferent
Assumption List, Critical Assumptions, Learning PlanRACI Matrix, Responsibility Map, Decision Notes
Tagsno overlap
AssumptionsRiskDecisionDiscovery
RolesResponsibilityGovernanceOperations
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Often compared together

Methods with strong topical overlap with the current selection, not yet in the comparison.

Paper illustration of Decision Rights Mapping with its method-specific working model.
Decision Making
Decision Rights Mapping
Paper illustration for RAPID
Decision Making
RAPID
Paper illustration of a calm four-quadrant Assumption Map with hypothesis cards and emphasis on important assumptions with little evidence.
Product Discovery
Assumption Mapping