@misc{indiciae7d3a471ac865,
  title = {Interpersonal contingencies: Performance differences and cost-effectiveness.},
  author = {D R Schmitt},
  year = {1987},
  doi = {10.1901/jeab.1987.48-221},
  url = {https://pubmed.ncbi.nlm.nih.gov/16812490/},
  note = {Source identifier: 16812490}
}