Ergonomics, also known as human factors psychology, is the field of study focused on understanding and improving the 'fit' between humans and machines. The work of pioneers like Frederick Taylor and Lillian Gilbreth, which aimed to enhance this interaction, was foundational to this discipline.

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As an engineer, Frederick Taylor significantly influenced human factors psychology with his theory that redesigning the workplace could boost both company output and worker wages. He detailed this approach in his 1911 book, *The Principles of Scientific Management*, which explored management theories, personnel selection, employee training, and the analysis of work itself through time and motion studies.

Frederick Taylor's Contribution to Human Factors Psychology

Lillian Gilbreth was a prominent industrial-organizational psychologist who, with her husband Frank, used time and motion studies to make workers more efficient by reducing task-related movements. Her work, which improved the fit between humans and technology, is considered foundational to the field of ergonomics. Gilbreth applied these efficiency methods not only in industry but also in homes, offices, and shops. She also investigated employee fatigue and time management stress, finding that motivation is driven by both money and job satisfaction. Known as the 'mother of modern management,' she authored 'The Psychology of Management' in 1914 and received numerous honors, including being the first woman in the American Society of Mechanical Engineers and a recipient of the Hoover Medal.

Lillian Gilbreth

Spielman, R. M., Jenkins, W. J., & Lovett, M. D. (2020, April 22). Psychology (2nd ed.). OpenStax. https://openstax.org/books/psychology-2e/pages/1-introduction

OpenStax Psychology (2nd ed.) Textbook

Published in 1911 by Frederick Taylor, *The Principles of Scientific Management* is a foundational text in human factors psychology that outlines his theories on management, personnel selection, training, and the analysis of work through time and motion studies. The cover of a 1919 edition, published by Harper & Brothers in New York and London, identifies the author as 'Frederick Winslow Taylor, M.E., Sc.D., Past president of the American Society of Mechanical Engineers' and features an emblem of one hand passing a torch to another.

The Principles of Scientific Management

You are a consultant hired to improve a factory's performance, using the principles of an early 20th-century engineer focused on scientific management. Describe two specific, concrete changes you would implement based on this approach and explain how each change is intended to increase both company output and worker efficiency.

Improving Factory Productivity

In 1914, Lillian Gilbreth authored the book 'The Psychology of Management: The Function of the Mind in Determining, Teaching, and Installing Methods of Least Waste.' This publication is a significant contribution to the field and is associated with her recognition as the 'mother of modern management.'

The Psychology of Management (Book)

Lillian Gilbreth's research extended to the psychological aspects of work, including investigations into employee fatigue and the stress associated with time management. Her studies led to the finding that employees are driven by a combination of monetary compensation and a sense of satisfaction with their job.

Gilbreth's Research on Employee Motivation and Fatigue

Lillian Gilbreth applied her principles of motion efficiency beyond the factory floor to everyday life, including in homes, offices, and shops. Two lasting examples of her contributions are the concept of adding shelves to the inside of refrigerator doors and the invention of the foot-pedal-operated trash can lid.

Practical Applications of Gilbreth's Efficiency Methods

Lillian Gilbreth received significant recognition for her contributions to management and engineering. She is known as the 'mother of modern management.' In 1926, she became the first woman to be accepted into the American Society of Mechanical Engineers, and in 1966, she was honored with the Hoover Medal from the American Society of Civil Engineers.

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