MENTAL MODEL · M2759

Fallacy of the Single Cause

StructureHigh supportLogic

Included

Version 1.0.0 · Updated 2026-07-30

CORE DEFINITION

People tend to seek a single simple cause for complex events. For example: "The fall of the Roman Empire was due to lead poisoning" or "This company went bankrupt because of the CEO's incompetence." In reality, outcomes in complex systems are often the product of multiple factors (Factor A + Factor B + ...) acting together. - Scaffolding role: a filter for simplistic explanations. - When the media or experts tell you "this is the cause," be wary of such single attribution. The real world is a causal web, not a single chain. Trying to open all locks with one key is intellectual laziness. In retrospectives...

SCAFFOLDING EFFECT

psychology

Reduce cognitive load

A filter for simplistic explanations. - When the media or experts tell you "this is the cause," be wary of such single attribution. The real world is a causal web, not a single chain. Trying to open all locks with one key is intellectual laziness. In retrospectives...

anchor

Anchor fast decisions

Complex events are usually the result of a multi-factor causal network; reducing the outcome to a single cause ignores interactions and context, and is intellectual laziness driven by availability and narrative preference.

MINIMUM ACTION

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Practice this model in one real situation:

List possible factors (not just one)
Build a causal network rather than a single chain
Examine the weight and interactions of each factor
Be wary of statements of "the only cause."

Check to track your progress (stored locally)

Learning progress0%

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Source support: Explicit

link
en.wikipedia.orghttps://en.wikipedia.org/wiki/Fallacy_of_the_single_causeZH · Explicit
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