Fig. 1
From: The impact of the first wave of COVID-19 on students’ attainment, analysed by IRT modelling method
Difficulty levels of the subjects in 2018 and 2019 academic year.
Fig. 1 | Humanities and Social Sciences Communications
From: The impact of the first wave of COVID-19 on students’ attainment, analysed by IRT modelling method
Difficulty levels of the subjects in 2018 and 2019 academic year.
