According to a Lifespan Psychologist, to Understand a Patient's Disorder

Multiple Choice

According to a lifespan psychologist, to understand a patient's disorder, what must one also understand?

A) how the individual has resolved interpersonal conflict throughout life
B) how experiences during different periods of development may influence the individual's vulnerability to some psychological disorders
C) how the individual mastered key developmental tasks throughout various life stages
D) how the individual developed during psychosexual stages