2016
Bayesian longitudinal item response modeling with restricted covariance pattern structures.
Stat. Comput., 2016

Multidimensional and longitudinal item response models for non-ignorable data.
Comput. Stat. Data Anal., 2016

2015
Comparison of Ability Estimation Methods Using IRT for Tests with Different Degrees of Difficulty.
Commun. Stat. Simul. Comput., 2015

2012
A Bayesian generalized multiple group IRT model with model-fit assessment tools.
Comput. Stat. Data Anal., 2012

2011
Bayesian inference for a skew-normal IRT model under the centred parameterization.
Comput. Stat. Data Anal., 2011

2006
Using copulas in risk analysis.
Proceedings of the Winter Simulation Conference WSC 2006, 2006

2000
5 Analysis of longitudinal data.
Proceedings of the Bioenvironmental and public health statistics., 2000