How do you compare formal and informal feedback about the performance appraisal system?

Formal Appraisals:-Formal systematic appraisal usually occurs semi-annually or annually. Formal appraisal has four major purposes:

1.To let employees know formally how their current performance is being rated;

2.To identify employees who deserve merit raises;

3.To locate employees who need additional training; and

4.To identify candidates for promotion

Informal Appraisals:- Informal appraisal is a day to day routine appraisal, when managers meet their subordinate almost daily. In this process they use following methods:

1.Observe

2.Communicate

3.Check work

4.Give immediate feedback

So informal performance appraisal means continual process of feed back to employees. It is

information about how well employees are doing their work for the organization. Informal appraisal can be conducted on a day-to-day basis.

A formal feedback system could be periodic in nature and both appraiser & appraisee should be able to see and review at accepted time frames. 

Every manager should provide feedback both positive and negative at times he feels right to either motivate his team or to give stick. One cannot wait for the formal feedback system to kick in. The informal feedbacks can be refered during the formal discussion.

In PA there is no informal feedback, its tottaly formal feedback after all it's annual feedback so bot parties must well prepare for it.

Agree with mohd