In industry, human factors (also known as ergonomicS) is the study of how humans behave physically and psychologically in relation to particular environments, products, or services A human factors specialist typically has an advanced academic degree in Psychology or has special training The term usability is now sometimes used as an alternative to human factors, although human factors is really a larger area of study, including responses that are unrelated to usability, such as reactions and preferences in relation to visual and other sensory stimuli Human factors study can focus on general human behavior in relation to technology, on a generic type of product, on specific environment or product designs as a whole, or on some specific design aspects of a particular environment or product• In industry, human factors (also known as ergonomics) is the study of how humans behave physically and psychologically in relation to particular environments, products, or services. • A human factors specialist typically has an advanced academic degree in Psychology or has special training. • The term usability is now sometimes used as an alternative to human factors, although human factors is really a larger area of study, including responses that are unrelated to usability, such as reactions and preferences in relation to visual and other sensory stimuli. • Human factors study can focus on general human behavior in relation to technology, on a generic type of product, on specific environment or product designs as a whole, or on some specific design aspects of a particular environment or product