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. 2022 Jan 5;53(1):213-221.
doi: 10.1044/2021_LSHSS-21-00078. Epub 2021 Dec 28.

Is There a Cognate Effect in Bilingual Children With Developmental Language Disorder?

Bita Payesteh  1 , Giang T Pham  2
Affiliations

Is There a Cognate Effect in Bilingual Children With Developmental Language Disorder?

Bita Payesteh et al. Lang Speech Hear Serv Sch. .

Abstract

Purpose: Cognates, words in two languages that share form and meaning, can be used to support vocabulary development in bilingual children. Typically developing bilinguals have shown better performance on cognates versus noncognates. Of key interest is whether bilinguals with developmental language disorder (DLD) also show a cognate effect and, if so, which factors are related to their cognate performance.

Method: Thirty-five Spanish-English bilingual children (5-11 years old) with DLD completed the Expressive and Receptive One-Word Picture Vocabulary Tests, third edition, in English (EOW, ROW) to measure cognate performance. Test items were divided by difficulty level (easy, medium, and hard) and classified as cognates or noncognates using the Cross-Linguistic Overlap Scale for Phonology.

Results: On average, children showed clear and robust cognate effects on EOW across difficulty levels with medium-to-large effect sizes. Results on the ROW showed minimal effects that varied by difficulty. Individually, 80% of participants (28 of 35) demonstrated a cognate effect in EOW, whereas only 31% (11 of 35) showed an effect in ROW. A cognate effect in ROW was positively correlated with age and English proficiency, whereas no factors correlated with the EOW cognate effect.

Conclusions: Bilingual children with DLD show higher performance on cognates than noncognates, at least in expressive vocabulary. Participants who did show a receptive cognate effect tended to be older and have higher English proficiency. Further investigation is needed to identify factors underlying cognate performance in order to tailor intervention strategies that promote bilingual vocabulary development.

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References

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