BEFKI Dataset (Schroeders, Schipolowski, & Wilhelm, 2015)
Datasets from Borg and Staufenbiel (2007)
Examples with Datasets from Eid and Schmidt (2014)
Dataset for Invariance Testing with 4 Groups
Datasets for Local Structural Equation Models / Moderated Factor Analysis
Some Datasets from McDonald's _Test Theory_ Book
Dataset with Mixed Dichotomous and Polytomous Item Responses
Item Parameters for Three Studies Obtained by 1PL and 2PL Estimation
Dataset from PIRLS Study with Missing Responses
Datasets from Reckase' Book _Multidimensional Item Response Theory_
Some Example Datasets for the 'sirt' Package
TIMSS 2007 Grade 8 Mathematics and Science Russia
Dataset Used in Stoyan, Pommerening and Wuensche (2018)