Language signs of developmental language disorder in Vietnamese and bilingual children

Clinical markers of DLD in bilingual and monolingual Vietnamese children - Diversity Supplement L. Dang

NIH-funded research San Diego State University · NIH-11232576

This project looks for language signs that help spot developmental language disorder in Vietnamese-speaking and Vietnamese-English bilingual children around preschool age.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionSan Diego State University NIH-funded
Lab location1 site (San Diego, United States)
Project IDNIH-11232576 on NIH RePORTER

What this research studies

As a parent, you would know researchers are comparing Vietnamese-speaking children who only speak Vietnamese with children who speak Vietnamese and English to find reliable language signs of DLD. They use tests like nonword repetition and sentence repetition and collect spoken language samples to look for grammatical patterns linked to DLD. One phase already tested nearly 200 children in Vietnam and the team is matching bilingual and monolingual children by age for further comparison. The work combines testing and language transcription to find markers that work whether a child is monolingual or bilingual.

Who could benefit from this research

Good fit: Ideal candidates are preschool-aged Vietnamese-speaking children (about 4–6 years), either monolingual Vietnamese or Vietnamese-English bilinguals, especially if there are concerns about language development.

Not a fit: Children who do not hear or use Vietnamese, those outside the study age range, or those with language problems caused by known hearing loss, neurological injury, or a diagnosed genetic syndrome may not benefit from this specific work.

Why it matters

Potential benefit: If successful, this could help clinicians and schools spot DLD earlier and more accurately in Vietnamese-speaking and bilingual children.

How similar studies have performed: Nonword and sentence repetition tests have worked as markers of DLD in many languages, but applying and validating them in Vietnamese and bilingual settings is newer and less tested.

Where this research is happening

San Diego, United States

Researchers

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page below.
Conditions Communication Disorders
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.