Johnson and Newport (1989) studied native Korean and Chinese speakers who had immigrated to the United States between 3 and 39 years of age. The subjects judged whether strings of English words were sentences or not. The study showed that those who arrived in the US between _____ years old had the highest grammatical scores.
A) 3 and 7
B) 8 and 10
C) 11 and 15
D) 16 and 39

Question

Quizplus · Accepted Answer

The study by Johnson and Newport (1989) found that individuals who were exposed to a second language (in this case, English) between the ages of 3 and 7 years old achieved the highest grammatical scores, supporting the critical period hypothesis for language acquisition.

Johnson and Newport (1989) Studied Native Korean and Chinese Speakers