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# CITATION file created with {cffr} R package
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cff-version: 1.2.0
message: 'To cite package "fourPNO" in publications use:'
type: software
license: GPL-2.0-or-later
title: 'fourPNO: Bayesian 4 Parameter Item Response Model'
version: 1.1.0.900
identifiers:
- type: doi
  value: 10.32614/CRAN.package.fourPNO
abstract: Estimate Barton & Lord's (1981) <https://doi.org/10.1002/j.2333-8504.1981.tb01255.x>
  four parameter IRT model with lower and upper asymptotes using Bayesian formulation
  described by Culpepper (2016) <https://doi.org/10.1007/s11336-015-9477-6>.
authors:
- family-names: Culpepper
  given-names: Steven Andrew
  email: sculpepp@illinois.edu
  orcid: https://orcid.org/0000-0003-4226-6176
preferred-citation:
  type: manual
  title: 'fourPNO: Bayesian 4 Parameter Item Response Model'
  authors:
  - family-names: Culpepper
    given-names: Steven Andrew
    email: sculpepp@illinois.edu
    orcid: https://orcid.org/0000-0003-4226-6176
  year: '2019'
repository: https://tmsalab.r-universe.dev
repository-code: https://github.com/tmsalab/fourPNO
commit: dbee294847d609211c31b6b0d12a6a9fa2f12338
url: https://tmsalab.github.io/fourPNO/
contact:
- family-names: Culpepper
  given-names: Steven Andrew
  email: sculpepp@illinois.edu
  orcid: https://orcid.org/0000-0003-4226-6176
references:
- type: article
  title: 'Revisiting the 4-Parameter Item Response Model: Bayesian Estimation and
    Application'
  authors:
  - family-names: Culpepper
    given-names: Steven Andrew
  journal: Psychometrika
  year: '2016'
  volume: '81'
  issue: '4'
  issn: 1860-0980
  doi: 10.1007/s11336-015-9477-6
  url: http://dx.doi.org/10.1007/s11336-015-9477-6
  start: '1142'
  end: '1163'