David is a five-year-old who knows that he is a boy, and that he is a boy whether he's playing with his toys or his sister's toys. This indicates that David has developed

a. prosocial behavior

When information taken in through the senses is organized and interpreted, the process is referred to as _____

a) synesthesia. b) perception. c) sensation. d) processing.

Much to the delight of her parents, Caroline isfeeding herself. She can also now walk up the

stairs and run. How old is Caroline? a. 2 months old b. 5 months old c. 10 months old d. 22 months old