Scoring below 90 on IQ tests is classified as mild retardation

Studies of genocide survivors in Rwanda indicate that ________ may play a role in the development of posttraumatic stress disorder.

a. low levels of CRH b. high levels of cortisol c. impaired immune function d. high levels of CRH e. slower destruction of catecholamines

Early intervention programs

A) serve economically at-risk children and their parents. B) are most effective during the preschool years. C) in the United States are plentiful enough to meet the needs of poor families. D) rarely improve the lives of poverty-stricken children.