„Parents’ reading enjoyment contributes significantly to children’s reading achievement as measured in all four PIRLS cycles in all Nordic countries.“
Univ.-Prof. Dr. Hildegunn Støle u. a., The Importance of Parents’ Own Reading for 10-Year Old Students’ Reading Achievement in the Nordic Countries. In: Dr. Tove Stjern Frønes u. a., Equity, Equality and Diversity in the Nordic Model of Education (2020), S. 377.