Four socialization environments, all of which included some modeling of altruism by an adult, were differentially effective in altering children's responsiveness to others in circumstances of distress. (Authors)

Prior research has indicated that, although negative mood induction procedures reliably lead to enhanced helping in adults, such procedures do not produce increased helping in young children. Consistent with the negative state relief model, it was expected that, relative to neutral mood subjects, children in a negative mood would be more generous…

Cognitive effects in children's learning of altruistic behavior were tested with an adaptation of Aronfreed's test design and machine. Children in grades 1-4 were presented with a machine with 2 levers. One lever, when pressed, released bubble gum, and the other turned on a light. For two of the three groups the experimenter exclaimed delightedly…