MENTAL MODEL · M8312

Change Control Process

BusinessmediumManagement

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Updated 2026-08-11

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INTRODUCTION

English translation pending.

CORE DEFINITION

Change control is a core practice of project management and configuration management, formalized in standards such as those for systems engineering and software configuration. Its core proposition is that unmanaged change accumulates into scope creep and system instability, so every modification should pass through a gate that assesses impact, authorizes it, and records the new baseline. The key qualification is proportionality: a process heavy enough to slow urgent work will simply be bypassed, so the rigor must match the risk of the change.

SCAFFOLDING EFFECT

psychology

Reduce cognitive load

- Use request intake: capture every proposed change in writing together with its stated rationale. - Use impact assessment: estimate the effect on scope, cost, schedule, quality, and risk. - Use baseline update: record the approved change and revise the reference version accordingly.

anchor

Anchor fast decisions

Each change looks reasonable on its own, so no single decision appears to commit the project to anything substantial. The accumulation is what damages it, and the damage stays invisible because no one compares the present state with the original agreement. A gate inserts a comparison point: the proposal must be evaluated against the baseline before it is accepted, which makes the cumulative cost visible when the decision is made. Recording the outcome creates one authoritative version, so later work rests on the same facts rather than on different recollections.

MINIMUM ACTION

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Practice this model in one real situation:

Require every change to be submitted in writing with its rationale. 2. Assess the effect on scope, cost, schedule, and quality. 3. Have the designated board approve, reject, or defer the request. 4. Implement the approved change and notify everyone affected. 5. Record the decision in the change register and update the project baseline.

Check to track your progress (stored locally)

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Source support: Explicit

link
doi.orghttps://doi.org/10.1016/j.procir.2013.07.053ZH · Explicit
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