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Criterion
A hypothetical failure makes concrete risks, signals, and fitting mitigations visible.
Decision Making
Pre-Mortem
Paper illustration for Ideal Days.
Agile
Ideal Days
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 effort needs to be thought of as real working time, it offers a simple common denominator for comparison. It sorts work by value, risk, and delivery ability. The result is captured as Ideal Day Estimates, Assumption Notes, and Capacity Caveats.
Complexitysame
LowLow
Timedifferent
20–45 min15-60 min
Participantsdifferent
Small cross-functional group2-9
Formatdifferent
WorkshopWorkshop + async
Outputdifferent
Risk list, Mitigation plan, Assumption logIdeal Day Estimates, Assumption Notes, Capacity Caveats
Tagsno overlap
RiskDecisionFailurePlanning
EstimationEffortAgile
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Often compared together

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

Paper illustration for Dot Estimation.
Facilitation
Dot Estimation
Paper illustration of an assumption matrix with prioritized test cards
Decision Making
Assumption Surfacing
Paper illustration for Constraint Analysis.
Decision Making
Constraint Analysis
Paper illustration for Failure Scenario Analysis.
Engineering
Failure Scenario Analysis