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Criterion
Paper illustration for Waste Analysis.
Operations
Waste Analysis
Paper illustration of an assumption matrix with prioritized test cards
Decision Making
Assumption Surfacing
A hypothetical failure makes concrete risks, signals, and fitting mitigations visible.
Decision Making
Pre-Mortem
Paper illustration for Constraint Analysis.
Decision Making
Constraint Analysis
Purposedifferent
For a process that keeps people busy but creates little value, the method exposes waste. It directs attention to unnecessary movement, waiting times, rework, and overdelivery.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 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 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
LowLowLowLow
Timedifferent
45-120 min45-90 min20–45 min30-90 min
Participantsdifferent
2-82-8Small cross-functional group2-8
Formatdifferent
WorkshopWorkshop + asyncWorkshopWorkshop + async
Outputdifferent
Waste Map, Prioritized Waste, Improvement BacklogAssumption List, Critical Assumptions, Learning PlanRisk list, Mitigation plan, Assumption logConstraint List, Hard/Soft Classification, Option Impact Notes, Decision Boundaries
Tagsno overlap
WasteLeanProcess improvement
AssumptionsRiskDecisionDiscovery
RiskDecisionFailurePlanning
ConstraintsDecisionPlanningOptions
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