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Treatment Targets in Spanish and English Bilingual Speech Intervention

Speech Sound Disorder Clinical Trial

Official title:
Speech Intervention for Bilingual Children

Clinical Trial Summary

The goal of this clinical trial is to learn which speech treatment targets result in the greatest amount of speech learning in Spanish-English bilingual children with speech sound disorders. The main questions it aims to answer are: - Does linguistic complexity of the treatment target increase the amount of generalized learning within the treated language? - Does linguistic complexity of the treatment target increase the amount of generalized speech across languages? Researchers will compare intervention effects across treatment provided in English and Spanish to see if the effect differs according to the language of intervention. Participants will: - Attend between 12 and 18 45-minute speech intervention sessions in Spanish or English for up to 6 weeks - Attend assessment visits before and after intervention - Attend follow-up assessment visits 1 month and 2 months after intervention

Clinical Trial Description

This study is a single-subject experimental design with staggered multiple baselines examining speech intervention for Spanish-English bilingual children with speech sound disorders. The study includes two arms based on the language of intervention (Spanish or English). Within each arm are two conditions that manipulate the linguistic complexity of the speech treatment target (simple consonant singleton or complex consonant cluster). Participants will be pseudo-randomly assigned to these arms and conditions. The primary outcome is system-wide generalization; specifically, a) within-language and b) across-language generalization to untreated sounds. Accuracy data for the dependent variable will be derived from narrow phonetic transcription of participants' productions from speech probes in English and Spanish. The entire generalization probe is administered at each assessment visit (Pre, Post, and 1- and 2-Month Follow-Ups), and shorter subset probes targeting only monitored sounds are administered during Baselines and weekly during Treatment. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT06416306
Study type Interventional
Source University of Iowa
Contact
Status Not yet recruiting
Phase Phase 1
Start date May 8, 2024
Completion date March 31, 2027
View Details
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