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Criterion
A hypothetical failure makes concrete risks, signals, and fitting mitigations visible.
Decision Making
Pre-Mortem
Iceberg Model method illustration showing its working structure
Systems Thinking
Iceberg Model
Paper illustration for Current Reality Tree
Systems Thinking
Current Reality Tree
Paper illustration for Behavior Over Time Graph.
Systems Thinking
Behavior Over Time Graph
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.The Iceberg Model separates visible events from patterns, structures, and mental models. This turns a single observation into a deeper understanding of why a problem keeps recurring.A Current Reality Tree condenses many symptoms into a few causal chains. The method makes visible which core problems drive several negative effects at once.A Behavior Over Time Graph shows how a metric or observation develops over time. The method makes trends, breaks, and recurring patterns visible that get lost in snapshots.
Complexitydifferent
LowLowHighLow
Timedifferent
20–45 min30-60 min2-6 h20-45 min
Participantsdifferent
Small cross-functional group2-103-81-10
Formatdifferent
WorkshopWorkshop + asyncWorkshopWorkshop + async
Outputdifferent
Risk list, Mitigation plan, Assumption logIceberg Worksheet, Pattern Notes, Intervention IdeasCurrent Reality Tree, Core Problems, Intervention IdeasBehavior Over Time Graph, Trend Hypotheses, Key Events
Tagsno overlap
RiskDecisionFailurePlanning
Systems thinkingRoot causePatterns
Systems thinkingRoot causeConstraintsCausality
Systems thinkingPatternsDynamics
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