o avtorjih ■ about authors 201 Plamen Mirazchiyski holds a master’s and PhD degree in Social Pedagogy and has a Bachelor’s degree in Pre-school and Primary Education. Since 2008, Plamen has been employed at the International Association for the Evaluation of Educa- tional Achievement – Data Processing and Research Centre in Hamburg (Germany), where he was the Deputy Head of the Research and Analysis Unit for three years. Since the end of 2016, he has been a research fellow at the Educational Research Institute (Slovenia). His main research interests are reading literacy, mathematics and science education, civic and citizen- ship education, ICT in education, methodology of large-scale assessments and psychometrics. Plamen is also partly employed at the International Educational Research and Evaluation Institute (INERI). Plamen Mirazchiyski ima magisterij in doktorat iz socialne pedagogike, diplomiral pa je iz pred- šolske in osnovnošolske vzgoje. Od leta 2008 je bil Plamen zaposlen v Mednarodni zvezi za evalvacijo izobraževalnih dosežkov – Center za raz- iskave in obdelavo podatkov v Hamburgu (Nemčija), kjer je bil tri leta na- mestnik vodje enote za raziskave in analize. Od leta 2016 je znanstveni sodelavec na Pedagoškem inštitutu (Slovenija). Njegova glavna raziskoval- na zanimanja so bralna pismenost, izobraževanje v matematiki in naravo- slovju, državljanska vzgoja in državljanstvo, IKT v izobraževanju, meto- dologija obsežnih ocenjevanj in psihometrija. Plamen je delno zaposlen tudi v Mednarodnem inštitutu za raziskave in evalvacije v izobraževanju (INERI). Mojca Rožman is currently working at the IEA in Hamburg as a Research Analyst. She holds a PhD in Statistics for Social Sciences (thesis title: “Effect of sam- ple composition in the estimation of item parameters and proficiency esti- mation in international large-scale assessments”). In the past, she has con- tributed to the questionnaire development for PISA 2018 and to different IEA studies conducted in Slovenia (TIMSS, PIRLS, TALIS, SITES). She is interested in the methodology and secondary analyses of international large-scale assessments. Mojca Rožman je zaposlena pri IEA kot raziskovalka v oddelku za raziskovanje in analize. Doktorirala je na področju družboslovne statistike (naslov dela: Učinek sestave vzorca pri ocenjevanju parametrov postavk in dosežkov v medna- rodnih raziskavah znanja). V preteklosti je sodelovala pri razvoju vprašal-