@misc{indiciae0f5d941e6d0a,
  title = {Maximizing present value: A model to explain why moderate response rates obtain on variable-interval schedules.},
  author = {A Silberberg and F R Warren-Boulton and T Asano},
  year = {1988},
  doi = {10.1901/jeab.1988.49-331},
  url = {https://pubmed.ncbi.nlm.nih.gov/16812543/},
  note = {Source identifier: 16812543}
}