Dr. leung gives all of her clients a short questionnaire that asks questions about sleeping and eating habits, daily activities, and emotional states. based on this information, dr. leung is able to assess whether depressive symptoms are present in each client. dr. leung is making use of to assess psychopathology.

Psychology testing.

Explanation:

Psychology testing was used to determine the behavior of an individual. This test is used to construct and determines the ability of an individual to cope up with the given tasks.

The psychological testing asks the individual questions related to eating, emotional activity and sleeping habits. The doctors can diagnose the psychological condition of the patient and its depression state by the psychology testing. Hence, Dr. Leung is doing psychological testing with his patient.

Thus, the correct answer is psychology testing.