Status: COMPLETE
Contact: Melanie Soderstrom
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668 babies tested by 21 labs
42 authors from 9 countries on Journal of Child Language publication
In this project we explored whether early preference for Infant Directed Speech (IDS) is linked to later vocabulary size. For instance, does preference for IDS predictx infants' vocabulary? Does the relation between IDS preference and vocabulary size change over development? And are there any systematic differences in the strength of this relationship across language communities?
Infants’ preference for IDS was tested as part of the MB1 project, and follow-up CDI data was collected from a subsample of this dataset at 18 and 24 months of age.
A total of 341 (18 months) and 327 (24 months) infants were tested across 21 laboratories. In neither preregistered analyses with North American and UK English, nor exploratory analyses with a larger sample, was there a relation between IDS preference and later vocabulary. In the manuscript, we discuss the implications of this finding in light of recent work suggesting that IDS preference measured in the laboratory has low test-retest reliability (MB1T).
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Project Leads
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Melanie Soderstrom, University of Manitoba
[email]
MB1L Contributors
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Publications
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Joscelin Rocha-Hidalgo
Luis E. Muñoz
Agata Bochynska
Janet F. Werker
Barbora Skarabela
Amanda Seidl
Yana Ryjova
Jennifer L. Rennels
Christine E. Potter
Markus Paulus
Mitsuhiko Ota
Nonah M. Olesen
Karli M. Nave
Julien Mayor
Alia Martin
Lauren C. Machon
Casey Lew-Williams
Eon-Suk Ko
Hyunji Kim
Natalia Kartushina
Marina Kammermeier
Andrew Jessop
Jessica F. Hay
Naomi Havron
Erin E. Hannon
J. Kiley Hamlin
Nayeli Gonzalez-Gomez
Anja Gampe
Tom Fritzsche
Michael C. Frank
Samantha Durrant
Catherine Davies
Cara Cashon
Krista Byers-Heinlein
Veronica Boyce
Alexis K. Black
Christina Bergmann
Laura Anderson
Mohammed K. AlShakhori
Ali H. Al-Hoorie
Angeline Sin Mei Tsui