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Naturalistic Developmental Behavioral Interventions for Developmental Language Disorder.
Stephen Camarata1, Suzanne Stiles1, Samara Birer1
1Department of Hearing and Speech Sciences, Vanderbilt University School of Medicine, Nashville, TN.
Naturalistic-developmental-behavioral interventions (NDBIs) effectively teach vocabulary to children with developmental language disorder (DLD). This approach shows promise for improving language skills and generalization in DLD interventions.
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Area of Science:
- Speech and Language Pathology
- Developmental Psychology
- Applied Behavior Analysis
Background:
- Naturalistic-developmental-behavioral interventions (NDBIs) are established for autism spectrum disorder language deficits.
- Developmental language disorder (DLD) presents challenges in vocabulary, social skills, and grammar.
Purpose of the Study:
- Define naturalistic, developmental, and behavioral elements in NDBI for DLD.
- Illustrate NDBI implementation for vocabulary acquisition and cross-modal generalization in DLD.
Main Methods:
- A hybrid NDBI intervention (storybook reading, conversational recasts) was used.
- Three participants with DLD received the intervention.
- A single-case design was employed to evaluate effectiveness.
Main Results:
- All participants acquired receptive and expressive vocabulary targets.
- Extensive cross-modal generalization of vocabulary was observed.
- Generalization varied, with some limitations noted in certain participants.
Conclusions:
- NDBI procedures are applicable and effective for language intervention in DLD.
- Naturalistic-developmental applied behavior analysis techniques support language development in DLD.
- NDBI meets high standards for evidence-based practice in treating DLD.
