Imitation of a peer as a function of reinforcement from the peer group and rewardingness of the model.

@article{Hartup1967ImitationOA,
  title={Imitation of a peer as a function of reinforcement from the peer group and rewardingness of the model.},
  author={Willard W. Hartup and Benjamin Coates},
  journal={Child development},
  year={1967},
  volume={38 4},
  pages={1003-16}
}