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. 2023 Mar 6;378(1875):20210488. doi: 10.1098/rstb.2021.0488

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© 2023 The Authors.

Published by the Royal Society under the terms of the Creative Commons Attribution License http://creativecommons.org/licenses/by/4.0/, which permits unrestricted use, provided the original author and source are credited.

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Figure 3. — (a) The graph depicts the relation between dyadic turn-taking frequency (x axis) at 4–6 months of age and infants’ vocabulary at 24 months of age (y axis). (b) The graph depicts the relation between infant overlaps (x axis) at 4–6 months and infants' vocabulary at 24 months of age (y axis). Predicted values are plotted in black, and the shaded area depicts the 95% confidence interval.