---
title: "Douglas McGregor: Theory X and Theory Y | Model Diplomat"
description: "Douglas McGregor was a management theorist known for Theory X and Theory Y, which shaped modern human-relations management and worker motivation."
url: "https://modeldiplomat.com/learn/glossary/douglas-mcgregor"
---

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Model Diplomat Research Team · Last reviewed June 22, 2026

TL;DR

- Douglas McGregor was an American management theorist who formulated Theory X and Theory Y, contrasting assumptions about worker motivation that shaped human-relations management.
- What is the core distinction between Theory X and Theory Y?
- Which intellectual tradition does McGregor belong to?
- How does Theory Z relate to McGregor's work?
- Why is McGregor relevant to public administration?

[Civil Service & Diplomatic Exams](https://modeldiplomat.com/learn/civil-services/glossary)Updated June 22, 2026

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In 1960, Douglas McGregor published \*The Human Side of Enterprise\* at MIT, introducing Theory X and Theory Y to reframe how managers conceive worker motivation.

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