Research has shown that children with Reactive Attachment Disorder who are placed in caring and responsive foster homes show little improvement in social development

When G. Stanley Hall described adolescence as a time of "storm and stress," he meant that teenagers:

a) put society under a lot of stress. b) are moody, sensitive, and prone to take risks. c) have a stressful life. d) cause parents a lot of stress.

To support hypotheses on breast-feeding that have been generated from archaeological and historical evidence, researchers have also examined ____

a. modern cultural practices in Southeast Asia b. modern hunter-gatherer cultures in Central Africa c. historic zoological records in Central America d. historic volcanic records in mainland China