„Compared to students who rarely or never read books, students in OECD countries who reported reading books more often on paper scored 49 points more in reading while students who reported reading books more often on digital devices scored only 15 points more after accounting for students‘ and schools‘ socio-economic profile and gender.“
OECD (Hrsg.), 21st-Century Readers (2021), S. 78.
In Österreich beträgt dieser Leistungsvorsprung 52 bzw. 15 Punkte. (ibidem, Table B.4.16.)