fourPNO-package

fourPNO: Bayesian 4 Parameter Item Response Model

Estimate Barton & Lord's (1981) doi:10.1002/j.2333-8504.1981.tb01255.x four parameter IRT model with lower and upper asymptotes using Bayesian formulation described by Culpepper (2016) doi:10.1007/s11336-015-9477-6. package

See Also

Useful links:

• https://github.com/tmsalab/fourPNO
• Report bugs at https://github.com/tmsalab/fourPNO/issues

Author(s)

Maintainer : Steven Andrew Culpepper sculpepp@illinois.edu (0000-0003-4226-6176) [copyright holder]