OSH Certifications: Behind the Exams

• The process for developing and scoring a certification exam is complicated and uses a scientific and mathematical psychometric process to achieve defendable outcomes. • However, how much of the process is well understood by either the general public, employers or even safety and health professionals? • The information presented is intended to help the safety and health professional understand why and how a properly developed and administered certification exam shows the mark of excellence in the field of safety and health.