@misc{indiciae48d0fc7facfc,
  title = {Randomness in grid test scores.},
  author = {J W Draffan},
  year = {1973},
  doi = {10.1111/j.2044-8341.1973.tb02264.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/4764286/},
  note = {Source identifier: 4764286}
}