360° appraisal has four integral components : 

1. Self appraisal 

2. Superior’s appraisal 

3. Subordinate’s appraisal 

4. Peer appraisal 

Self-appraisal gives a chance to the employee to look at his/her strengths and weaknesses, his achievements, and judge his own performance. 

Superior’s appraisal forms the traditional part of the 360° performance appraisal where the employees’ responsibilities and actual performance is rated by the superior. 

Subordinate’s appraisal gives a chance to judge the employee on the parameters like communication and motivating abilities, superior’s ability to delegate the work, leadership , qualities etc. 

The correct feedback given by peers can help to find employees’ abilities to work in a team, co-operation and sensitivity towards others. Self-assessment is an indispensable part of 360° appraisals and therefore 360° Performance appraisals have high employee involvement and also have the strongest impact on employees.