is an evaluation of the performance level of employees against established standards to make decisions about promotions, compensation, additional training, or firing.

Performance appraisal is an evaluation of the performance level of employees against established standards to make decisions about promotions, compensation, additional training, or firing.

Explanation:

A performance appraisal is the process of reviewing the job performance of an employee. It also helps in finding the overall contribution of the employee to the company.

The skill, growth and achievement of the employee in the work are monitored and even his negativity like where he lacks his performance was also noted.

This helps the organization to review about his employee and make decision regarding his promotion, additional training, and compensation or sometimes regarding firing.

answer; collective security;

even though you have attached neither the chart nor the generalizations, i have located them online. the right answer is d, since they are asking you about a generalization. you can only infer from the chart that between 2008 and 2009 the number of employed workers decreased significantly (from over 115 millions to 107 millions approximately), which signals some type of economic crisis.