The claim

「Baby talk ("din-dins") delays language」

Verdict

Partly true

Distinguish two things: melodic, exaggerated "parentese" demonstrably helps language learning. What should fade over time is using only duplicated toddler words without full sentences.

Sources

  1. PNAS · Proceedings of the National Academy of Sciences

    Proceedings of the National Academy of Sciences. (2020). Parent coaching increases conversational turns and advances infant language development. Proceedings of the National Academy of Sciences, 117(7), 3484–3491. https://doi.org/10.1073/pnas.1921653117

    Direct source · Peer-reviewed paper · checked 2026-08-02

Related claims · Development

Further reading