They study about human resource development encourages competency development by forming opportunities within the organization for employees to develop their competencies for both their own benefit and the benefit of others. The competency-based approach has become integral in HRM during the last thirty years and, currently, different organizations, businesses and public services use competency models to better integrate global trends and business strategies with their human capital resources. Competency encompasses the knowledge, skills, abilities, traits and behaviors
that allow an individual to perform a task within a specific function or job. In accordance with this approach, competencies are used as the basis for human resource management.