The language development theory that emphasizes the principles of sensitive periods and linguistic universals is the
a. nativist theory.
b. empiricist theory.
c. interactionist theory.
d. learning theory.
Question 2
Some believe that the American generation that fought World War II was superior to other generations in courage, persistence, and devotion to ideals. This generational difference illustrates a(n) ____ effect.
a. structured observational
b. ethnographic
c. case study
d. cohort