Which of the following sub-systems of human resource development is concerned with increasing the employee performance by increasing his/her knowledge and ability?

Training and development of employees in an attempt to improve current or future employees’ performance by increasing an employee’s ability to perform through learning usually by changing the employee’s attitude or increasing his or her knowledge. Training process include acquiring skills, concepts, attitudes for increasing effectiveness in doing a specific job or jobs. Training provides necessary impetus to implement change, improve efficiency, managerial effectiveness and increase productivity.