A Psychiatric Nurse Is Working with Patients in a Health

A psychiatric nurse is working with patients in a health education group on strategies to improve anger management.The nurse would best evaluate the effectiveness of this intervention by determining changes in a patient's:

A) routinely used coping skills.
B) opinion about own self-worth.
C) knowledge of people and events that trigger anger.
D) underlying mental health disorder, exhibited by the symptom of anger.