New parents, Avery and Yaqub, are amazed by their three-year-old's vocabulary and are telling all of their friends that their child is gifted. When asked how big their child's vocabulary is, Avery and Yaqub say that their child must know at least 3,000 words by this point. What would you tell new parents, Avery and Yaqub?
a. By the age of 1, the typical child has a production vocabulary of more than 3,000 words, so their child is behind the curve.
b. By the age of 2, the typical child has a production vocabulary of more than 3,000 words, so their child is behind the curve.
c. By the age of 4, the typical child has a production vocabulary of more than 3,000 words, so their child is ahead of the curve.
d. By the age of 3, the typical child has a production vocabulary of more than 3,000 words, so their child is like most children.