To improve the early language experiences of toddlers in low-income families, some cities in the United States have programs that encourage parents to talk to children in ways that expand children's turn-taking skills and ____

In the 1950s and 1960s, mental health clinicians using early editions of the DSM who independently evaluated the same client

a. usually arrived at the same diagnosis. b. frequently disagreed with one another. c. relied heavily on psychological tests. d. tended to prefer the term "problems in living."

Researchers found that Korean children performed better than British children on measures of inhibition and switching. The investigators attributed this to

a. poor parenting in British families. b. a greater emphasis on quietness, restraint, and waiting for one’s turn in Korean culture. c. increased working memory capabilities on the part of the Korean children. d. delayed brain development in British children.