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Criterion
A hypothetical failure makes concrete risks, signals, and fitting mitigations visible.
Decision Making
Pre-Mortem
Paper illustration for 1-2-4-All.
Facilitation
1-2-4-All
Paper illustration for Constraint Analysis.
Decision Making
Constraint Analysis
Purposedifferent
In early initiatives with many uncertainties, planning quickly turns too optimistic. A pre-mortem makes the expected failure visible in advance and sharpens the view of causes, gaps, and countermeasures.When many people in a group too rarely get to speak, 1-2-4-All distributes thinking time more fairly. The format builds participation step by step and makes quiet or still-unformed thoughts usable faster.When an initiative stalls, the limit often lies not in the idea but in hard or soft boundary conditions. Constraint Analysis separates these limits and shows which of them can actually be shaped.
Complexitysame
LowLowLow
Timedifferent
20–45 min10-20 min30-90 min
Participantsdifferent
Small cross-functional group4-100+2-8
Formatdifferent
WorkshopWorkshopWorkshop + async
Outputdifferent
Risk list, Mitigation plan, Assumption logIdea List, Shared Insights, Emergent ThemesConstraint List, Hard/Soft Classification, Option Impact Notes, Decision Boundaries
Tagsno overlap
RiskDecisionFailurePlanning
FacilitationInclusionIdeation
ConstraintsDecisionPlanningOptions
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Often compared together

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

Paper illustration for Round Robin Brainstorming
Innovation
Round Robin Brainstorming
Paper matrix with six colored hat cards for information, feeling, value, caution, ideas and process control.
Facilitation
Six Thinking Hats
Paper illustration of an assumption matrix with prioritized test cards
Decision Making
Assumption Surfacing
Paper illustration of the Lightning Decision Jam working structure.
Facilitation
Decision Jam