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. E., Delaney, H. D., & Kelley, K. (2026). Designing experiments and analyzing data: A model comparison perspective (4th ed.). New York, NY: Routledge.

Maxwell, S. E., Delaney, H. D., & 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{MaxwellDelaneyKelley2026,
    title = {Designing Experiments and Analyzing Data: A Model
      Comparison Perspective},
    author = {Scott E. Maxwell and Harold D. Delaney and Ken Kelley},
    year = {2026},
    edition = {4th},
    publisher = {Routledge},
    address = {New York, NY},
    url = {https://designingexperiments.com/},
  }

  @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},
  }