Effective performance appraisal systems have five key characteristics, $\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_?$ What are they?

Question $4$ options:

loyalty, reliability, responsiveness, flexibility, and equitability.

creativity, reliability, responsiveness, flexibility, and equitability.

reliability, responsiveness, flexibility, effectiveness and equitability.

validity, reliability, responsiveness, flexibility, and equitability.