Within the Work Package 2 and 3, from 23-28th February 2014, researchers from University of Cyprus, members of the research team from the Institute for Educational Research in Belgrade and representatives of the Faculty of Education in Jagodina attended working meetings organized at the National Examination Centre in Ljubljana, Slovenia. The six-day workshop led by dr. Gašper Cankar and Alenka Hauptman was designed to acquaint research team members with the fundamentals of item response theory (IRT) necessary to conduct analyses and evaluate results in statistical software Winsteps and R.