Cognitive Scaffold

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MENTAL MODEL · M11536

System Root Tracing

System Root Tracing
SystemsHigh supportSystems Theory
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Updated 2026-08-13

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INTRODUCTION

English translation pending.

CORE DEFINITION

System root tracing is the practice of following a problem upstream along its causal chain, asking why repeatedly and comparing cases where the problem occurs with cases where it does not, until the cause that actually generates it is identified. The core proposition is that symptoms are the downstream effects of causes located elsewhere in the system, so treating symptoms guarantees recurrence while changing the generating condition removes the problem. The key qualification is the distinction between a root cause and a contributing factor: tracing must stop at the level where an intervention is both effective and actionable, and correlation along the chain is not proof of causation.

SCAFFOLDING EFFECT

psychology

Reduce cognitive load

- Upstream walk: ask why at each link until the answer stops being another effect. - Contrast test: compare a case where the problem occurred with one where it did not. - Actionability check: stop at the deepest cause you can actually change.

anchor

Anchor fast decisions

Problems propagate along causal chains, so the visible failure is the last link rather than the first. Following the chain upstream, and contrasting affected with unaffected cases, separates the generating condition from incidental correlations. Removing the generating condition prevents all downstream instances at once, which is why one root fix replaces many repeated repairs.

MINIMUM ACTION

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Source support: Explicit

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    en.wikipedia.orghttps://en.wikipedia.org/wiki/Root-cause_analysisZH · Explicit
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