How strong is the relationship between caregiver speech and language development? A meta-analysis
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View abstract on PubMed
Summary
This summary is machine-generated.Talking to young children positively impacts language development. This meta-analysis confirms a modest but robust association between early language input and child language outcomes across diverse studies and populations.
Area Of Science
- Developmental Psychology
- Linguistics
- Child Language Acquisition
Background
- Previous research indicates a positive link between early language exposure and child language development.
- Significant heterogeneity exists in study designs, potentially impacting the reliability of findings.
- Existing meta-analyses may not fully capture the breadth of recent research or diverse populations.
Purpose Of The Study
- To conduct a comprehensive meta-analysis on the association between early language input and child language outcomes.
- To include recent studies, non-English speaking populations, and varied input measures.
- To examine potential moderators and utilize a multilevel model for robust analysis.
Main Methods
- Meta-analysis of 71 studies with 4760 participants.
- Inclusion of recent and non-English studies.
- Categorization of input measures and application of a multilevel model.
- Analysis of moderators such as child age and study duration.
Main Results
- A moderate association (R²=0.04-0.07) was found between language input and child language outcomes.
- No significant differences in effect size were observed across different input measures.
- Evidence of publication bias was noted.
- Child age and study duration moderated the input-outcome association.
Conclusions
- The association between early language input and child language outcomes is robust yet modest.
- Findings are consistent across various contexts and measurement approaches.
- Further research should consider the nuances of input quality and quantity in diverse populations.
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