Dr. duan has diagnosed her client with bipolar disorder. dr. duan refers her client to new a therapist after the client moves to a distant town. the client's new therapist diagnoses the client with major depressive disorder. this lack of agreement between the two therapists who were evaluating the same behaviors would be considered

I believe the answer is:  low interrater reliability

Interrater reliability refers to the baseline score that agreeed upon by raters when evaluating a certain consensus. The conclusion with low interrater reliabiloity tend to not be seen as valid and might cause confusion if the raters are working for the same client

a is the answer because it just is

the answer is a wheel