@misc{indiciaeb8356ee8ba42,
  title = {Observing behavior and children's discrimination learning under delayed reinforcement.},
  author = {J C Wright and D Smothergill},
  year = {1967},
  doi = {10.1016/0022-0965(67)90069-0},
  url = {https://pubmed.ncbi.nlm.nih.gov/6070472/},
  note = {Source identifier: 6070472}
}