Recent work on Principle B' has led to which of the following conclusions?
a. Findings regarding Principle B have been consistent across different studies.
b. Grammatical knowledge of Principle B is absent until after the age of 6 or 7.
c. Sometimes children perform poorly on language tasks, even though they have mastered the grammatical phenomenon being tested.
d. It does not matter which method you use to test a child's grammatical knowledge; if the child has the knowledge, the test will reveal this.
Question 2
What have we learned from EEG experiments about the comprehension abilities of young children?
a. The EEG responses of 24-month-old infants show that language comprehension at this age is more advanced than language production.
b. At least as early as age 5 years, children show the signature' brain response that indicates having just heard a word whose meaning is unexpected based on prior context (the N400).
c. The N400 response seems to undergo no change over development.
d. Both (a) and (b)