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Exploring Patterns of Stability and Change in Caregivers' Word Usage Across Early Childhood
Hang Jiang1, Michael C Frank2, Vivek Kulkarni3
1Symbolic Systems Program, Stanford University.
Cognitive Science
|July 12, 2022
Summary
Caregivers change how they use words as children grow, influencing language development. These shifts in linguistic input help scaffold children
Area of Science:
- Developmental Psychology
- Computational Linguistics
- Cognitive Science
Background:
- Early linguistic input shapes children's world knowledge.
- Distributional semantic models analyze word use in child-directed speech.
- Limited research exists on developmental changes in this input.
Purpose of the Study:
- To investigate how caregivers' word usage patterns evolve as children develop.
- To apply natural language processing (NLP) techniques to child-directed speech corpora.
- To identify factors influencing variability in caregivers' word choices.
Main Methods:
- Utilized NLP methods, adapted from historical linguistics, to analyze large corpora of child-directed speech.
- Compared word use and co-occurrence patterns between speech directed at younger and older children.
- Examined word properties at individual and category levels to predict usage changes.
Main Results:
- Significant variability was observed in how caregivers' word usage changed across development.
- The degree of change in word usage could be predicted by individual word properties and word categories.
- Specific word properties and semantic categories were associated with greater or lesser shifts in caregiver speech.
Conclusions:
- Caregivers' evolving linguistic patterns play a vital role in scaffolding children's conceptual development.
- Developmental changes in language input are not uniform and depend on word characteristics.
- This study provides novel insights into the dynamic relationship between caregiver speech and child language acquisition.
Keywords:
Child-directed speechConceptual learningDistributional semanticsLanguage and cognitionMeaning changeWord embeddingsMore Related Videos
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