DrThomas Wants to Determine Why Some Children Are Hyperactive,whereas Others

Multiple Choice

Dr.Thomas wants to determine why some children are hyperactive,whereas others are not.Which of the following motives for studying child development does this best represent?

A) To gain insight into the origins of adult behavior
B) To gain insight into sex differences and gender roles and the effects of culture on development
C) To gain insight into the origins,prevention,and treatment of developmental problems
D) All of the above