@misc{indiciae19cc4748e1f0,
  title = {Contingency and the McCollough effect.},
  author = {S Siegel and L G Allan},
  year = {1987},
  doi = {10.3758/bf03203080},
  url = {https://pubmed.ncbi.nlm.nih.gov/3671054/},
  note = {Source identifier: 3671054}
}