Hockemeyer C, Steiner P, Wong W (2026). kstMatrix: Basic Functions in Knowledge Space Theory Using Matrix Representation. doi:10.32614/CRAN.package.kstMatrix. R package version 3.0-0, https://CRAN.R-project.org/package=kstMatrix.

Steiner P, Hockemeyer C, Kickmeier-Rust M, Hochweber J (2026). “Structuring and Assessing Knowledge with Knowledge Space Theory.” In Wilson, L. M, Tawfik, A. A, Ritzhaupt, D. A, Lowdermilk, T. A (eds.), Quantitative Methods in Educational Research: Concepts and Applications. EdTech Books. in print, https://edtechbooks.org/qmerca/knowledgespacetheory.

Corresponding BibTeX entries:

  @Manual{,
    title = {kstMatrix: Basic Functions in Knowledge Space Theory Using
      Matrix Representation},
    author = {Cord Hockemeyer and Peter Steiner and Wai Wong},
    year = {2026},
    note = {R package version 3.0-0},
    url = {https://CRAN.R-project.org/package=kstMatrix},
    doi = {10.32614/CRAN.package.kstMatrix},
  }

  @InCollection{,
    title = {Structuring and Assessing Knowledge with Knowledge Space
      Theory},
    author = {Peter Steiner and Cord Hockemeyer and Michael
      Kickmeier-Rust and Jan Hochweber},
    booktitle = {Quantitative Methods in Educational Research: Concepts
      and Applications},
    editor = {{Wilson} and M. L. and {Tawfik} and A. A. and {Ritzhaupt}
      and A. D. and {Lowdermilk} and A. T.},
    year = {2026},
    publisher = {EdTech Books},
    url = {https://edtechbooks.org/qmerca/knowledgespacetheory},
    note = {in print},
  }