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MENTAL MODEL · M13118

Extreme Scenario Imagination

Extreme Scenario Imagination
SystemsHigh supportThinking Methods
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Updated 2026-08-17

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INTRODUCTION

English translation pending.

CORE DEFINITION

A stress-testing habit that deliberately drives a situation to an extreme in order to inspect how a plan behaves at the boundary. Variants include the worst-case analysis used in engineering and finance, the pre-mortem in project management, and the question of how an organisation could die. The claim is that assumptions stay invisible under normal conditions because everything works, and become visible only when the situation is pushed past the range where they hold. Because the extreme is used as a probe rather than a forecast, its value lies in the mitigations it produces, not in the accuracy of the imagined scenario.

SCAFFOLDING EFFECT

psychology

Reduce cognitive load

- Probing fragility: Push one variable to its extreme and watch which part of the plan breaks first. - Preparing responses: Convert each revealed fragility into a concrete mitigation and a trigger to act on. - Clarifying limits: Use the imagined boundary to state what you would refuse to accept or do.

anchor

Anchor fast decisions

Under normal conditions a system's assumptions are unobservable, because the environment never contradicts them. Pushing a variable to an extreme turns an invisible assumption into a visible failure, which is the only moment when it can be redesigned. The exercise also separates two questions ordinary planning merges: what is likely, and what is survivable. Because ruin is absorbing, one unrecoverable outcome ends the sequence, so the extreme case deserves attention out of proportion to its probability, and a prepared response turns a shock into a decision already made.

MINIMUM ACTION

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Source support: Explicit

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