@misc{indiciae33f2bdb7b282,
  title = {Motivation and performance.},
  author = {F W IRWIN},
  year = {1961},
  doi = {10.1146/annurev.ps.12.020161.001245},
  url = {https://pubmed.ncbi.nlm.nih.gov/13717913/},
  note = {Source identifier: 13717913}
}