Six-Year-Olds Jason and Curtis Are Rolling Around in the Dirt

Multiple Choice

Six-year-olds Jason and Curtis are rolling around in the dirt in what appears to be a fight, yet they both get up smiling. Curtis then sticks out his tongue at Jason and runs off, and Jason follows him in hot pursuit. Which one of the following alternatives best describes their interaction?

A) hyperactivity
B) rough-and-tumble play
C) insufficiently developed social skills
D) a tendency for aggression unusual in 6-year-olds