@misc{indiciaeaddda4f74dcb,
  title = {Motivation shift in a complex learning task.},
  author = {D BIRCH},
  year = {1958},
  doi = {10.1037/h0048917},
  url = {https://pubmed.ncbi.nlm.nih.gov/13611176/},
  note = {Source identifier: 13611176}
}