Final answer:
Supervisors appraise individual task outcomes, behaviors, and traits to evaluate employee performance.
Step-by-step explanation:
The three most popular sets of criteria that supervisors appraise are individual task outcomes, behaviors, and traits. These criteria help supervisors evaluate an employee's performance and suitability for a given job. Individual task outcomes refer to the results and achievements of the tasks assigned to the employee, while behaviors and traits encompass the employee's actions and characteristics that contribute to their overall performance.