The performance committee of Physical Therapy Clinic has identified four grounds on which to measure the performance of physical therapists: $(1)$ the progress of the patient according to medical guidelines, $(2)$ patient satisfaction, $(3)$ meeting of treatment deadlines, and $(4)$ therapist presence at work. Which of the following has the committee established?

Select one:

a$.$

job criteria

b$.$

differentiating criteria

c$.$

essential elements

d$.$

performance elements