Frankreich: „Positive effects on language skills appear to be particularly concentrated among disadvantaged children, for whom there also appear to be no negative effects on behavior. These findings suggests that an expansion of access to crèche may have potential to contribute to decreasing early gaps in child well-being if quality is maintained and less advantaged parents are willing to use crèche care.“
Univ.-Prof. Dr. Lawrence M Berger u. a., The Impact of Center-Based Childcare Attendance on early Child Development (2021), S. 28.