Special Issue: Current Methodological Issues in Educational Large-Scale Assessments – Part II
Guest editors: Matthias Stadler, Samuel Greiff & Sabine Krolak-Schwerdt

Special Issue: Current Methodological Issues in Educational Large-Scale Assessments – Part I
Guest editors: Matthias Stadler, Samuel Greiff & Sabine Krolak-Schwerdt

Special Topic: Measurement equivalence of the Patient Reported Outcomes Measurement Information System® (PROMIS®) short forms – Part II
Guest editors: Bryce B. Reeve & Jeanne A. Teresi

Special Topic: Measurement equivalence of the Patient Reported Outcomes Measurement Information System® (PROMIS®) short forms – Part I
Guest editors: Bryce B. Reeve & Jeanne A. Teresi

Special Topic: Missing values in large-scale assessment studies
Guest editors: Steffi Pohl & Christian Aßmann

Special Topic: Advances in Rasch modeling: New applications and directions
Guest editors: Steffen Brandt, Mark Moulton & Brent Duckor

Special Topic: Identifying effective learning environments – Part II
Guest editors: Heidrun Stoeger, Jörg Schorer, Joseph Baker & Albert Ziegler

Special Topic: Identifying effective learning environments – Part I
Guest editors: Jörg Schorer, Joseph Baker, Heidrun Stoeger & Albert Ziegler