The AMCP package provides the data sets that accompany Maxwell, Delaney, and Kelley's textbook. Please cite the BOOK as the primary reference; you may additionally cite the package if you wish to credit the specific data distribution you used.

Maxwell S, Delaney H, Kelley K (2027). Designing Experiments and Analyzing Data: A Model Comparison Perspective, 4th edition. Routledge, New York, NY. ISBN 978-1-041-25384-6. https://www.routledge.com/Designing-Experiments-and-Analyzing-Data-A-Model-Comparison-Perspective/Maxwell-Delaney-Kelley/p/book/9781041253846.

Maxwell S, Delaney H, Kelley K (2026). AMCP: A Model Comparison Perspective (Data Sets for the 4th Edition). R package version 2.0.0, https://CRAN.R-project.org/package=AMCP.

Corresponding BibTeX entries:

  @Book{MaxwellDelaneyKelley2027,
    title = {Designing Experiments and Analyzing Data: A Model
      Comparison Perspective},
    author = {Scott E. Maxwell and Harold D. Delaney and Ken Kelley},
    year = {2027},
    edition = {4th},
    publisher = {Routledge},
    address = {New York, NY},
    isbn = {978-1-041-25384-6},
    url =
      {https://www.routledge.com/Designing-Experiments-and-Analyzing-Data-A-Model-Comparison-Perspective/Maxwell-Delaney-Kelley/p/book/9781041253846},
  }

  @Manual{AMCPpackage,
    title = {AMCP: A Model Comparison Perspective (Data Sets for the
      4th Edition)},
    author = {Scott E. Maxwell and Harold D. Delaney and Ken Kelley},
    year = {2026},
    note = {R package version 2.0.0},
    url = {https://CRAN.R-project.org/package=AMCP},
  }