Developmental Science· 2012Q1
<scp>SES</scp> differences in language processing skill and vocabulary are evident at 18 months
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- 2012year
Short summary
Significant disparities in vocabulary and language processing efficiency between infants from higher- and lower-SES families were evident as early as 18 months.
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Key points
- Vocabulary and language processing efficiency differences were apparent at 18 months between infants from higher- and lower-SES families.
- By 24 months, a 6-month gap in processing skills critical for language development was observed between SES groups.
- The study tracked 48 English-learning infants longitudinally from 18 to 24 months.
- Real-time measures of spoken language processing were used to assess developmental changes.
AI-generated from the title and abstract; the full text is not read.
Abstract
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 6-month gap between SES groups in processing skills critical to language development.
The authors' abstract, as published at the source. Developmental Science, 2012 · DOI ↗
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Field: Developmental and Educational Psychology
Developmental and Educational PsychologyPsychology