Peer groups provide adolescents with the opportunity to compare and evaluate opinions, abilities, and even physical changes?a process called

At the age of 15 months, Carla repeatedly cries "hoy" when she wants her mother to hold her. Carla is most likely in the ________ stage of language development.

a. syntactic b. babbling c. telegraphic speech d. echoic e. one word

Are more Americans smoking tobacco today than ever before?

a. yes b. no c. the percent of smokers has remained about the same d. today more young people smoke, but fewer adults smoke