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Published on: October 11, 2018
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Bilingual Children's Vocabulary Skills at 5 Years Predict Reading Comprehension Development Within, Not Across,
1California State University, Sacramento, Department of Psychology, 6000 J Street, Sacramento, CA 95819-6007, USA.
Summary
Early vocabulary skills support reading comprehension within a language for bilingual children. Reading comprehension skills, however, show cross-language connections, suggesting shared underlying abilities.
Area of Science:
- Developmental Psychology
- Bilingualism
- Literacy Acquisition
Background:
- Early vocabulary is a strong predictor of reading development in monolingual children.
- The link between vocabulary and reading across languages in bilingual children is not fully understood.
- Existing research presents mixed findings on cross-linguistic transfer of vocabulary to reading comprehension.
Purpose of the Study:
- To investigate the longitudinal relationship between early vocabulary and later reading comprehension in Spanish-English bilingual children.
- To determine if vocabulary knowledge in one language predicts reading comprehension in another language.
- To examine the concurrent and longitudinal relationships between reading comprehension skills across English and Spanish.
Main Methods:
- Followed 84 Spanish-English bilingual children from age 5 to 9.
- Assessed vocabulary skills at age 5.
- Measured reading comprehension skills annually from ages 6 to 9.
- Utilized longitudinal multilevel modeling to analyze data.
Main Results:
- Significant within-language relationships were found between early vocabulary and subsequent reading comprehension in both English and Spanish.
- No significant across-language relationships were observed between early vocabulary and later reading comprehension.
- Significant concurrent across-language relationships were found between English and Spanish reading comprehension skills.
Conclusions:
- Vocabulary's contribution to reading comprehension appears to be language-specific.
- Reading comprehension development in bilingual children involves language-general components.
- These language-general components facilitate concurrent cross-linguistic reading comprehension skills.
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