Human Factors (or Ergonomics) is the scientific discipline concerned with the understanding of interactions among humans and other elements of a system, and the profession that applies theory, principles, data, and other methods to design in order to optimize human well-being and overall system performance.

The criteria for certification as a Certified Professional Ergonomist (CPE)
[or Certified Human Factors Professional (CHFP)]are:

1.  A master's degree in human factors/ergonomics, or an equivalent educational background in the life sciences, engineering sciences and behavioral sciences to comprise a professional level of ergonomic education.

2.  Three(3) years of full-time professional practice in human factors/ergonomics.

3.  A passing score on the CPE/CHFP written examination