It was hypothesized that while approval of donation behavior from altruistic models would be rewarding, such approval from selfish models would be aversive. (Authors)

This study investigates the relationship between social-class factors and patterns of reinforcement used by preschool children when instructing younger peers. It was hypothesized that middle class Caucasian children would spontaneously use more positive reinforcements and lower class children more negative reinforcements when interacting with…