A multi-center psychometric evaluation of the Severity Indices of Personality Problems 118 (SIPP-118): Do we really need all those facets? Read more ...
An Optimized Bayesian Hierarchical Two-Parameter Logistic Model for Small-Sample Item Calibration. Read more ...
The benefits of fixed item parameter calibration for parameter accuracy in small sample situations in large-scale assessments. Read more ...
Variability and generalizability of ratings on the quality of mathematics instruction between and within lessons. Read more ...
Identifying patterns of students' performance on simulated inquiry tasks using PISA 2015 log‐file data. Read more ...