@misc{indiciae279e6bf3106a,
  title = {Direct estimation: effect of methodological factors on scale type.},
  author = {H Montgomery},
  year = {1975},
  doi = {10.1111/j.1467-9450.1975.tb00159.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/1138339/},
  note = {Source identifier: 1138339}
}