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Criterion
Paper illustration of an assumption matrix with prioritized test cards
Decision Making
Assumption Surfacing
Paper illustration for ALPEN Method
Operations
ALPEN Method
Paper illustration for Argument Mapping
Decision Making
Argument Mapping
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 an overloaded day full of too many tasks, a realistic picture of the day emerges. The method connects estimating, deciding, and buffer thinking so planning fits available energy and time.When statements, evidence, and counterarguments get mixed up, a debate quickly loses its structure. Argument Mapping breaks a thesis down into its reasoning and makes visible what it really rests on.
Complexitydifferent
LowLowMedium
Timedifferent
45-90 min10-20 min daily1-3 h
Participantsdifferent
2-811-8
Formatdifferent
Workshop + asyncAsyncWorkshop + async
Outputdifferent
Assumption List, Critical Assumptions, Learning PlanDaily Plan, Time Estimates, Review NotesArgument Map, Evidence Gaps, Decision Rationale
Tagsno overlap
AssumptionsRiskDecisionDiscovery
PlanningTime managementProductivityOperations
SensemakingDecisionRationale
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Methods with strong topical overlap with the current selection, not yet in the comparison.

A hypothetical failure makes concrete risks, signals, and fitting mitigations visible.
Decision Making
Pre-Mortem
Red Teaming method illustration showing its working structure
Decision Making
Red Teaming
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 for Constraint Analysis.
Decision Making
Constraint Analysis