Based on Kamatas item analysis model (2001), an extension for differential item functioning procedure was developed and the applicability was examined. The Kamatas item analysis model is a type of hierarchical generalized linear model for item analysis, in which items are considered as nested in...

Response time has been regarded as an important source for investigating the relationship between human performance and response speed. It is important to examine the relationship between response time and item characteristics, especially in the perspective of the relationship between response...