A young child says "Mommy go," signifying that her mother is going to the store. What does this example illustrate about language development?

The prisoner's dilemma is best described as a(n) ____

a. zero-sum game b. non-zero-sum game c. commons dilemma d. equity game

Grace and Kara are pretending to be doctors. They put on scrubs and "operate" on a doll. They ask Ryan to be their nurse. He joins in the play and hands them pretend surgical instruments. Which two types of play does this example represent?

A. sociodramatic and cooperative B. cooperative and associative C. associate and sociodramatic D. parallel and cooperative