There is a tremendous amount of study on the effect of the quantity and quality of maternal child-directed input on language development. Children who engage in linguistically stimulating interaction with their mothers show better language skills. There is less research on the way interactions with siblings affect language development. I examine this question through analysis of cohort data (Havron et al., 2019), corpus analysis (Loukatou et al., 2021), and questionnaires (work in progress).

Joint work of Dr. Naomi Havron, with collaborators: Alex Cristia and Georgia Loukatou (Ecole Normale Superieure), Sho Tsuji and Irena Lovcevic (Tokyo University).

Related Publications:

Havron, N., Ramus, F., Heude, B., Forhan, A., Cristia, A., & Peyre, H. (2019, May 20). The effect of siblings on language development as a function of age difference and sex. View

Loukatou, G., Scaff, C., Demuth, K., Cristia, A., & Havron, N. (2021, September 2). Child-directed and overheard input from different speakers in two distinct cultures. View