Rolf Vegar Olsen & Sigrid Blömeke Most of the international large-scale assessments are repeated in regular intervals. PISA is conducted every three-years, TIMSS every fourth year, and PIRLS is conducted with five-year intervals. Accordingly, this allows for comparisons within countries...
Herman G. van de Werfhorst, Emma Kessenich, and Sara Geven The crisis resulting from the COVID-19 pandemic has disordered the educational process of millions of children. Distance education through online communication channels has become the practice in many societies since...
Christian Bokhove In recent decades more and more educational data have become available, including those from International Largescale Assessments (ILSAs), with the Organisation for Economic Co-operation and Development (OECD) and the International Association for the Evaluation of Educational Achievement (IEA)...
