@misc{indiciae917818c7751a,
  title = {ANCOVA for nonparallel slopes: the Johnson-Neyman technique.},
  author = {C J Kowalski and E D Schneiderman and S M Willis},
  doi = {10.1016/0020-7101(94)90125-2},
  url = {https://pubmed.ncbi.nlm.nih.gov/7705908/},
  note = {Source identifier: 7705908}
}