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.
Personnel Psychology focuses on understanding and improving the functioning of individual employees and teams within organizations. It is often synonymous with Industrial Psychology which also covers the broader organizational aspects.
