Marcia,a Nurse Manager,discusses Her Concerns About the Hospital's Employee Appraisal

Marcia,a nurse manager,discusses her concerns about the hospital's employee appraisal system with her work group,noting that all it includes is one rating scale,which means nothing unless the manager is effective in her job.Marcia's concerns reflect which best practices associated with performance appraisal?

A) Rating scales are too generalized to be considered valid or reliable.
B) The effectiveness of any appraisal system is tied directly to the skills and communication abilities of the manager.
C) BARS are considered superior to simple rating scales in terms of performance appraisal.
D) Rating scales need to be designed by users to be well accepted.