@misc{indiciae7e243cd8e6c7,
  title = {Examining item difficulty and response time on perceptual ability test items.},
  author = {Chien-Lin Yang and Thomas R O'Neill and Gene A Kramer},
  year = {2002},
  url = {https://pubmed.ncbi.nlm.nih.gov/12147914/},
  note = {Source identifier: 12147914}
}