@misc{indiciae15663def7d62,
  title = {Anxiety and learning to formulate hypotheses.},
  author = {S P Klein and N Frederiksen and F R Evans},
  year = {1969},
  doi = {10.1037/h0028351},
  url = {https://pubmed.ncbi.nlm.nih.gov/5361247/},
  note = {Source identifier: 5361247}
}