The case of Jeffrey Dahmer is an example of ____

A developmental cascade refers to the case where:

A) twelve- and thirteen-year-olds are faster at processing information than adults. B) age changes in processing speed lead to an increase in higher level thinking. C) enhanced memory leads to increases in IQ. D) children's attention span increases quickly to the level of adults'.

Approximately what percentage of children in the United States lives with one or more of their grandparents?

A) 1% B) 8% C) 18% D) 27%