Jeffrey Douglas

A Hidden Markov Model for Learning Trajectories in Cognitive Diagnosis With Application to Spatial Rotation Skills

Steven Andrew Culpepper, Shiyu Wang, Yinghan Chen, 2018, Applied psychological measurement.

Constraint-Weighted a-Stratification for Computerized Adaptive Testing With Nonstatistical Constraints

Hua-Hua Chang, Jeffrey Douglas, Ying Cheng, 2009 .

Nonparametric Item Response Function Estimation for Assessing Parametric Model Fit

Jeffrey Douglas, J. Douglas, A. Cohen, 2001 .