Diagnostic competences are an essential facet of teacher competence. Many studies have investigated the "quality" of teachers' judgments of students' competences. However, little is known about the processes that lead to these judgments and about the ways to promote these processes in the early phase of teacher training. The aim of the…

Learning analytics (LA) are summaries, visualizations, and analyses of student data that could improve learning in multiple ways, for example by supporting teachers. However, not much research is available yet concerning how LA may support teachers to diagnose student progress and to intervene during student learning activities. There is evidence…

Six papers on the use of partial credit item response theory score models in applied measurement settings are presented. These applications include the scoring of medical certification examinations using computer-based patient simulations, narrative writing tests, and educational diagnosis. (TJH)