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NCT05921214 | RECRUITING | Language Development Disorders


The Effect of Semantic Support on Word Learning
Sponsor:

University of Arizona

Brief Summary:

The goal of this clinical trial is to compare word learning outcomes in late talking toddlers who are taught different types of words. The main question it aims to answer is if teaching words that come from categories that children already know (e.g., animals) will aid overall word learning. Children will take part in the Vocabulary Acquisition and Usage for Late Talkers (VAULT) word learning treatment and be taught words from more familiar or less familiar categories to see which group learns more words overall.

Condition or disease

Language Development Disorders

Intervention/treatment

VAULT Phase 5

Phase

NA

Detailed Description:

Children will be assigned to either the familiar or less-familiar word group. All children will receive 8 weeks of Vocabulary Acquisition and Usage for Late Talkers (VAULT) word learning treatment (2x/wk for 30 minutes each session). The investigators will measure how well children learn the words they are taught as well as the words that are in the environment, but not explicitly taught (control words). This will help us know if their learning is due to treatment or maturation. The investigators will compare children to themselves (taught words v. control words) to ensure that the overall treatment is working. Then, the investigators will compare children in the familiar word group to children in the less-familiar word group to see which group learns more overall.

Study Type : INTERVENTIONAL
Estimated Enrollment : 32 participants
Masking : DOUBLE
Masking Description : The late talkers and their caregivers will not explicitly be told what condition their child is in.
Primary Purpose : TREATMENT
Official Title : Identification of Treatment Parameters That Maximize Language Treatment Efficacy For Children
Actual Study Start Date : 2025-07
Estimated Primary Completion Date : 2026-12
Estimated Study Completion Date : 2026-12

Information not available for Arms and Intervention/treatment

Ages Eligible for Study: 2 Years to 4 Years
Sexes Eligible for Study: ALL
Accepts Healthy Volunteers:
Criteria
Inclusion Criteria
  • * Native English Speaking
  • * Pass pure tone hearing screening or medical report of normal hearing
  • * 2-3 Years of age
  • * MCDI expressive scale \<10th percentile
Exclusion Criteria
  • * Parental report of other diagnoses
  • * Enrolled in concurrent treatment elsewhere
  • * Nonverbal IQ \<75 as measured by the Bayley scales
  • * Parents unable to consistently bring child to treatment sessions

The Effect of Semantic Support on Word Learning

Location Details

NCT05921214


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Locations


RECRUITING

United States, Arizona

University of Arizona

Tucson, Arizona, United States, 85721

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