Culpepper SA (2019). fourPNO: Bayesian 4 Parameter Item Response Model.

@Manual{,
  title = {{fourPNO: Bayesian 4 Parameter Item Response Model}},
  author = {Steven Andrew Culpepper},
  year = {2019},
}

Culpepper SA (2016). “Revisiting the 4-Parameter Item Response Model: Bayesian Estimation and Application.” Psychometrika, 81(4), 1142–1163. ISSN 1860-0980, doi: 10.1007/s11336-015-9477-6, http://dx.doi.org/10.1007/s11336-015-9477-6.

@Article{,
  title = {Revisiting the 4-Parameter Item Response Model: Bayesian Estimation and Application},
  author = {Steven Andrew Culpepper},
  journal = {Psychometrika},
  year = {2016},
  volume = {81},
  number = {4},
  pages = {1142--1163},
  issn = {1860-0980},
  doi = {10.1007/s11336-015-9477-6},
  url = {http://dx.doi.org/10.1007/s11336-015-9477-6},
}
  • Steven Andrew Culpepper. Author, maintainer, copyright holder. ORCID