96 citations · 239 across the 22 of their papers we have counts for
Showing 2023Show all
2 papers · 1 filter
stat.ME2023
Unidimensionality in Rasch Models: Efficient Item Selection and Hierarchical Clustering Methods Based on Marginal Estimates
Gerhard Tutz
A strong tool for the selection of items that share a common trait from a set of given items is proposed. The selection method is based on marginal estimates and exploits that the…
stat.ME2023
Invariance of Comparisons: Separation of Item and Person Parameters beyond Rasch Models
Gerhard Tutz
The Rasch model is the most prominent member of the class of latent trait models that are in common use. The main reason is that it can be considered as a measurement model that al…