What is the leading cause of death for infants between birth and 1 year of age in developed countries?

Clinical practitioners seek a( n ) _____ understanding of abnormal behavior.

A)nomothetic B)idiographic C)medical D)deterministic

By what age do children usually have a vocabulary of about 500 words?

a. 2 years c. 3 years b. 3 years d. 4 years