Size matters: Early vocabulary as a predictor of language and literacy competence

被引:190
作者
Lee, Joanne [1 ]
机构
[1] Wilfrid Laurier Univ, Dept Psychol, Waterloo, ON N2L 3C5, Canada
关键词
LATER READING-COMPREHENSION; GRAMMATICAL DEVELOPMENT; INDIVIDUAL-DIFFERENCES; FAMILIAL RISK; PHONOLOGICAL SENSITIVITY; EMERGENT LITERACY; CHILD LANGUAGE; ORAL LANGUAGE; DOWN-SYNDROME; LATE TALKERS;
D O I
10.1017/S0142716410000299
中图分类号
H0 [语言学];
学科分类号
030303 ; 0501 ; 050102 ;
摘要
This paper investigated the predictive ability of expressive vocabulary size and lexical composition at age 2 on later language and literacy skills from ages 3 through 11. Multivariate analysis of co-variance was performed to compare 16 language and literacy outcomes between children with large expressive vocabulary size at 24 months (N = 1,073) and those with smaller expressive vocabulary size. Comparisons between large and small verb size groups as a measure of lexical composition were also conducted. Our findings indicate that, after controlling for gender, birth order, ethnicity and socioeconomic status, total vocabulary size at age 2 can significantly predict subsequent language and literacy achievement up to fifth grade. Moreover, vocabulary size is a better predictor of later language ability than lexical composition.
引用
收藏
页码:69 / 92
页数:24
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