When Anaïs found out that she may have an identical twin she didn't know about, she wanted to find out where this other young woman was born and whether she was adopted as well. Anaïs was also feeling excited and nervous. These thoughts, feelings, and her search for answers are all examples of:

Matthew, age 14, is likely to report that the most important characteristic of friendship is

What will be an ideal response?

Research on language acquisition indicates that

A) childhood is a sensitive period for language acquisition. B) sign language can be learned equally well at any age. C) language learning is optimal after brain lateralization has occurred. D) the right hemisphere of the brain is biased for language processing.