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Published on: April 19, 2017
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Infant vocalizations elicit simplified speech in childcare
Rachel R Albert1, Morgan Ernst1, Claire D Vallotton2
1Department of Psychology, Lebanon Valley College, Annville, Pennsylvania, USA.
Summary
Infant vocalizations prompt simplified speech from childcare teachers, mirroring parent-infant interactions. This simplification enhances language learning opportunities for infants in group care settings.
Area of Science:
- Developmental Psychology
- Linguistics
- Early Childhood Education
Background:
- Infant babbling serves a social function, attracting caregiver attention and eliciting simplified speech.
- This simplification effect, observed in parent-infant interactions, aids early language acquisition.
- The role of infant vocalizations in eliciting simplified language in childcare settings is less understood.
Purpose of the Study:
- To investigate whether prelinguistic infant vocalizations elicit simplified linguistic input from childcare teachers.
- To compare contingent and non-contingent verbal interactions during teacher-infant play.
- To explore the characteristics of teacher speech in response to infant vocalizations.
Main Methods:
- Observational study involving 34 childcare teachers and 34 infants (mean age 12.6 months).
- Recorded and analyzed one-on-one free play interactions.
- Compared rates and complexity of contingent vs. non-contingent teacher utterances.
Main Results:
- Teachers' contingent utterances featured fewer unique words and shorter mean utterance length compared to non-contingent ones.
- Teacher responses were simplified, with a higher proportion of single-word utterances.
- Response simplification was consistent regardless of infant syllable type (vowels or consonant-vowel).
Conclusions:
- Infant prelinguistic vocalizations effectively organize teacher attention, eliciting simplified and more learnable language.
- The simplification effect observed in parent-infant interactions extends to childcare settings.
- Infant vocalizations play a crucial role in structuring caregiver speech for early language development across different environments.
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