In developing countries, for the most part, traditional methods of selecting students for secondary schools, technical and vocational institutions, teacher training colleges, and universities are unable to ensure that the most capable applicants receive the limited opportunities available. To remedy this situation, the author has assembled and…

Content validity involves a judgment that all knowledges, skills, abilities, and other worker characteristics (KSAOs) needed for successful job performance (or a specified portion, the job content domain), have been adequately sampled by the tests used for employee selection and promotion decision making. The model outlines the procedure for…