Newborns are born with innate sensory abilities that they do not have to learn; however, one way they learn about their environment is via the _________ method first identified by Pavlov

Some ethnic groups in the United States have lower average longevity than other ethnic groups. Which of the following factors is least likely to contribute to this difference among ethnic groups?

a. genetics b. socioeconomics c. health practices d. relationships

Your neighbor's daughter Kelley, who just turned 2, used to yell "doggie" whenever you walked by with your golden retriever. Now when she sees you, she yells "doggie walk!" According to linguists, what type of speech production has Kelley begun to use?

a. holophrases b. telegraphic speech c. declarative speech d. short sentences