Properties of infant-directed speech and its relation to expressive vocabulary in 18-month-old toddlers in Northern Norway

The current study will examine the acoustic properties of infant-directed speech (IDS) to 18-month-old Norwegian toddlers, and will assess whether these properties and/or the (articulatory) effort that parents make when speaking IDS as compared to adult-directed speech (ADS), i.e., the acoustic diff...

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Bibliographic Details
Main Author: Rosslund, Audun
Format: Text
Language:unknown
Published: Open Science Framework 2021
Subjects:
Linguistics
FOS Languages and literature
Developmental Psychology
Psycholinguistics and Neurolinguistics
Social and Behavioral Sciences
Psychology
FOS Psychology
Norway
Tromsø
Northern Norway
Online Access:https://dx.doi.org/10.17605/osf.io/tbwq7
https://osf.io/tbwq7/
Description
Summary:The current study will examine the acoustic properties of infant-directed speech (IDS) to 18-month-old Norwegian toddlers, and will assess whether these properties and/or the (articulatory) effort that parents make when speaking IDS as compared to adult-directed speech (ADS), i.e., the acoustic differences between the two registers, are related to toddlers' expressive vocabulary size. The data was collected in Tromsø, Norway, from parents speaking a Northern Norwegian dialect, and parental input was recorded in the lab, from the child's main caregiver that was either child's mother or father. To avoid effects of linguistic variables, e.g., consonantal context (known to influence vowels, see Steinlen & Bohn, 1999; Steinlen, 2005), between the two registers, both IDS and ADS were elicited via a storybook reading task.

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