According to Hart & Risley, how did the quantity of language children hear growing up track with them later in life?
A. The amount of words a child hears in the first four years of life has no bearing on their linguistic ability later in life
B. The children that heard more words in the first four years later had a larger vocabulary than those that heard fewer words
C. Children that heard fewer words in the first four years were more likely to make up words later on
D. Children from families on welfare developed vocabularies similar to higher socioeconomic families if their families moved up in socioeconomic status during adolescence