Which of the following problems might occur with the new performance appraisal system at L.I.J.M.C.?  

Patients who feel they received very good or very poor care are more likely to complete surveys than other patients.

Objective ratings, such as infection rates, might be influenced by something outside of the staff’s control.

Patient satisfaction ratings might be influenced by something that is not related to a particular employee.

The new standards are more subjective and less quantifiable than the old standards.