Patients' records of their own rate of adherence may lack validity because
A) patients sometimes lie to avoid the displeasure of their physicians.
B) patients may be unaware of their own rate of adherence.
C) neither a nor b.
D) both a and b.

Question

Patients' records of their own rate of adherence may lack validity because
A) patients sometimes lie to avoid the displeasure of their physicians. 
B) patients may be unaware of their own rate of adherence.
C) neither a nor b.
D) both a and b.

Quizplus · Accepted Answer

Both options A and B are correct. Patients may sometimes lie about their adherence in order to avoid the disapproval of their physician, and they may also be unaware of their true rate of adherence. Therefore, patients' self-reported rates of adherence may not be entirely accurate or reliable.

Patients' Records of Their Own Rate of Adherence May Lack