Construction and analysis of C-tests with Rating-Scale Rasch ModelsAbstract. C-tests are written tests of general language proficiency. They consist of a small number of mutilated texts. Test-takers have to restore the original words in each text. In the ...
Local item dependence in the TestDaF reading section: A testlet response analysisTestlets are subsets of test items that are based on the same input. Tests that contain testlets are common in educational and psychological testing. However, use of ...
Evaluation of ratings: Psychometric quality assurance via many-facet Rasch measurementAbstract. Building on the many-facet Rasch measurement model (Linacre, 1989; Linacre & Wright, 2002), this paper presents a general framework of statistical procedures ...