Everyday conversations including gossip, boasting, flirting, teasing, and informative discussions are highly creative, improvised interactions. Children's play is also an important, often improvisational activity. One of the most improvisational games among 3- to 5-year-old children is social pretend play--also called fantasy play, sociodramatic play, or role play. Children's imaginations have free reign during pretend play. Conversations in these play episodes are far more improvisational than the average adult conversation. Because pretend play occurs in a dramatized, fantasy...