Ergonomics is the scientific discipline concerned with understanding interactions among humans and other elements of a work system, and the profession that applies theoretical principles, data, and methods to design in order to optimize human well-being and overall system performance.
Human Factors, also known as Human Factors Engineering, Human Engineering, or Engineering Psychology, is a domain within Industrial Psychology focused on the optimal design of machines and systems for effective human use.
Industrial Psychology, also known as Personnel Psychology, is a specialized field of psychology focusing on the understanding and application of psychological principles and methods to various aspects of work environments.
