DrLeung Gives All of Her Patients a Short, Valid, and Reliable

Dr.Leung gives all of her patients a short, valid, and reliable questionnaire that asks questions about sleeping habits, eating habits, daily activities, and emotional states.Based on this self-report information, Dr.Leung is able to assess whether depressive symptoms are present in each patient.She is making use of

A) psychological testing.
B) the neuropsychological method.
C) applied behavioral analysis.
D) a projective measure.