SES differences in language processing skill and vocabulary are evident at 18 months.

SES differences in language processing skill and vocabulary are evident at 18 months.
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DOI:
10.1111/desc.12019
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发表时间:
2013-03
影响因子:
3.7
通讯作者:
Weisleder A
Weisleder A
中科院分区:
心理学1区
文献类型:
--
作者:
Fernald A;Marchman VA;Weisleder A

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这项研究揭示了在广泛的优势家庭和弱势家庭中,婴儿在早期语言熟练程度上既有相似之处,也有显著差异。48名英语学习婴儿(n = 48)从18个月到24个月进行纵向随访,使用口语处理的实时测量。第一个目标是在这个不同的样本中追踪与词汇学习有关的加工效率的发展变化。第二个目标是研究早期语言发展的这些关键方面与家庭社会经济地位(SES)之间的差异。最重要的发现是,在18个月大的时候,社会经济地位高的家庭和社会经济地位低的家庭的婴儿在词汇和语言处理效率上的显著差异已经很明显,到24个月大的时候,社会经济地位高的家庭和社会经济地位低的家庭的婴儿在语言发展的关键处理技能上存在6个月的差距。
This research revealed both similarities and striking differences in early language proficiency among infants from a broad range of advantaged and disadvantaged families. English-learning infants (n = 48) were followed longitudinally from 18 to 24 months, using real-time measures of spoken language processing. The first goal was to track developmental changes in processing efficiency in relation to vocabulary learning in this diverse sample. The second goal was to examine differences in these crucial aspects of early language development in relation to family socioeconomic status (SES). The most important findings were that significant disparities in vocabulary and language processing efficiency were already evident at 18 months between infants from higher- and lower-SES families, and by 24 months there was a six-month gap between SES groups in processing skills critical to language development.
DOI: 10.1111/j.1467-8624.2011.01692.x
发表时间: 2012-01
期刊: Child development
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