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Direct linkAudun Rosslund; Natalia Kartushina; Nora Serres; Julien Mayor – Child Development, 2025
Growing up with multiple siblings might negatively affect language development. This study examined the associations between birth order, sibling characteristics and parent-reported vocabulary size in 6163 Norwegian 8- to 36-month-old children (51.4% female). Results confirmed that birth order was negatively associated with vocabulary, yet…
Descriptors: Family Size, Birth Order, Siblings, Infants
