GlossaryGuide

Etym. factor (n.) Sense of “circumstance producing a result” is attested by 1816, from the mathematical sense.

Definition

• The discipline or science of studying the interaction between humans and systems and technology; it includes, but is not limited to, principles and applications in the areas of human engineering, personnel selection, training, life support, job performance aids, and human performance evaluation (M&S Glossary).

• The psychological, cultural, behavioral, and other human attributes that influence decisionmaking, the flow of information, and the interpretation of information by individuals or groups (Department of Defense Modeling and Simulation Glossary).