To cite mstDIF in publications use

Debelak R, Debeer D (2022). mstDIF: A Collection of DIF Tests for Multistage Tests. R package version 0.1.7, https://CRAN.R-project.org/package=mstDIF.

To describe score-based tests for continuous variables in multistage tests, cite

Debelak R, Debeer D (2021). “An Evaluation of DIF Tests in Multistage Tests for Continuous Covariates.” Psych, 3(4), 618-638. doi:10.3390/psych3040040.

Corresponding BibTeX entries:

  @Manual{,
    title = {{mstDIF}: A Collection of DIF Tests for Multistage Tests},
    author = {Rudolf Debelak and Dries Debeer},
    year = {2022},
    note = {R package version 0.1.7},
    url = {https://CRAN.R-project.org/package=mstDIF},
  }

  @Article{,
    title = {An Evaluation of DIF Tests in Multistage Tests for
      Continuous Covariates},
    author = {Rudolf Debelak and Dries Debeer},
    journal = {Psych},
    year = {2021},
    volume = {3},
    number = {4},
    pages = {618-638},
    doi = {10.3390/psych3040040},
  }