William Revelle (2025). psychTools: Tools to Accompany the 'psych' Package for Psychological Research. Northwestern University, Evanston, Illinois. R package version 2.5.3, https://CRAN.R-project.org/package=psychTools.

Corresponding BibTeX entry:

  @Manual{,
    title = {psychTools: Tools to Accompany the 'psych' Package for
      Psychological Research},
    author = {{William Revelle}},
    organization = {Northwestern University},
    address = {Evanston, Illinois},
    year = {2025},
    note = {R package version 2.5.3},
    url = {https://CRAN.R-project.org/package=psychTools},
  }