The article focuses on the development of a personality test by Caliper in the U.S. Caliper has designed the personality test commonly used by companies in various fields such as hiring and promoting employees. It has become the standard for employee recruitment and promotion practiced by multinational companies nationwide. Herb Greenberg, chief executive officer (CEO) of Caliper, illustrates that the personality tests help organizations or companies select the appropriate employees. He emphasizes that the test also provides opportunity to become a coaching tool in managing personnel.