Head Start is a government-sponsored program that provides poor children with a level of preparation that is equivalent to their economically more advantaged counterparts. What types of prevention is Head Start an example of?

According to the text, hormones are secreted into the bloodstream by:

a. both frontal lobes of the brain b. capillaries in the circulatory system c. endocrine glands d. the liver

Descriptive statistics are used to

A) determine if two groups are different after IV manipulation B) control the effects of extraneous variables C) summarize a set of data D) compare the effectiveness of an IV