Yuriko K. Sosa Paredes is a Researcher at the Centre for Educational Measurement at the University of Oslo (CEMO). Her work focuses on psychometric methods, including IRT models, measurement invariance, validity, and linking over time, applied to large-scale assessment data to study its comparability and interpretability across countries and over time. She is particularly interested in using these methods to examine longitudinal trends in educational inequalities across education systems.