@misc{indiciae4422924fbf2a,
  title = {Incentive effects upon attention in children's discrimination learning.},
  author = {S L Witryol and L M Lowden and J F Fagan},
  year = {1967},
  doi = {10.1016/0022-0965(67)90081-1},
  url = {https://pubmed.ncbi.nlm.nih.gov/6038521/},
  note = {Source identifier: 6038521}
}