Maternal and paternal infant directed speech is modulated by the child's age in in two and three person interactions.

Sci Rep · 2025 · PMC12009295 · PMID 40253572

Europe PMC DOI

hedged sentence

0.0900

closest p · 1.8× alpha

0.0900

boldest claim

The sentences

marginally significantp = 0.09so close (0.05 < p ≤ 0.1)

More specifically, the contrast was marginally significant at 3 versus 18 months (X 2 (1) = 2.88, p = 0.09), and significant in the 9 to 18 months’ contrast (X 2 (1) = 6.6, p = 0.01), with higher values of voiced segments per second for fathers, see Fig. 1 b.

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