Question 1
Four-year-old Nicco uses infant-directed speech when talking to his neighbor's new baby; this demonstrates ______________.
◦ over regularization
◦ fast mapping
◦ pragmatics
◦ existence of the language acquisition device
Question 2
Gender identity ______________.
◦ develops much more quickly in females than males
◦ includes an understanding that maleness and femaleness are biological
◦ refers to the ability of children to identify themselves as male and female
◦ develops around age 5