Question

The strongest evidence for a critical period for human language development is the ____.?
a. ?exceptional language abilities of children with Williams syndrome
b. ?difficulty deaf children have learning sign language if they start late
c. ?differences in language between Broca's aphasia and Wernicke's aphasia
d. ?different lateralization of first language and second language

Answer 1

The answer is B) the difficulty deaf children have learning sign language if they start late. The critical period is a term used for human's first few years of their lifespan that have an important value for certain development. The human's language development is one example for this certain development that must be done in the critical period.