The preferred measure of variability in descriptive statistics is the _____

Taking even one drink of alcohol during pregnancy will result in a baby with fetal alcohol syndrome

Indicate whether this statement is true or false.

Which of the following statements about family alliances is supported by research cited in the text?

a. Alliances present in childhood tend to be maintained throughout adolescence. b. Girls and boys who identified most with their mother in childhood typically shift their alliance to their father during adolescence. c. Girls, but not boys, who identified most with their mother in childhood typically shift their alliance to their father during adolescence. d. Boys, but not girls, who identified most with their mother in childhood typically shift their alliance to their father during adolescence.