@misc{indiciaeca1aff1e5351,
  title = {Ordinal data are not interval data.},
  author = {R M Meyer},
  year = {1990},
  doi = {10.1213/00000539-199005000-00021},
  url = {https://pubmed.ncbi.nlm.nih.gov/2331075/},
  note = {Source identifier: 2331075}
}