„Maternal education seems to be particularly relevant for the earlier stages of vocabulary development. […] Higher maternal education is associated with a more stimulating home-learning and richer linguistic environment for children, which, in turn, has a positive effect on vocabulary.“
Dr. Dave Möwisch u. a., Cognitively stimulating maternal language as predictor for vocabulary growth. In: Zeitschrift für Erziehungswissenschaft (2022), S. 18.