Before defining the competency models of employees, the concept of competency should be reviewed first. In the early 1970s, Harvard University psychologist McClelland showed in an article titled "preference of competence over Intelligence" that intelligence test is a poor predictor of a person's success in a job. Therefore, he recommended merits as his selection criteria. In 1982, McClelland and Boyatzis presented the first competency model in the book "the competent manager". Their definition of competence was: a person's root characteristics, motivation, characteristics, skills, social role...

Mental health, which is one of the axes of evaluating the health of different societies, plays an important role in ensuring the dynamism and efficiency of each society. The world health organization defines health as complete physical, mental and social well-being and not just the absence of disease and infirmity. Emotional and psychological disorders are one of the important and increasing factors of disease, disability and reduction of quality of life in all societies. According to the report of the world health organization, 1 out of every 4 people (25% of people) suffers from one or more...

Today, human generations have been divided into different groups, and in each generation, some issues are seen more and more, because one generation has grown up with the same facilities, familiarity with the norms, beliefs, characteristics, moral and behavioral traits of different generations. It helps to know better about ourselves and how to interact with others. The theory of generations was first proposed in 1923 by Karl Mannheim, a Hungarian philosopher and sociologist, and was later studied and developed by Graeme Codrington. The classification of generations that we will discuss in...