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The Effect of Semantic Support on Word Learning

NCT05921214 · Status: RECRUITING · Phase: NA · Type: INTERVENTIONAL · Enrollment: 32

Last updated 2025-06-25

No results posted yet for this study

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.

Conditions

  • Language Development Disorders

Interventions

BEHAVIORAL

VAULT Phase 5

This is an input-based vocabulary learning treatment based on principles of statistical learning.

Sponsors & Collaborators

  • National Institute on Deafness and Other Communication Disorders (NIDCD)

    collaborator NIH

  • University of Arizona

    lead OTHER

Principal Investigators

  • Mary Alt, PhD · University of Arizona

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
DOUBLE
Model
PARALLEL

Eligibility

Min Age
2 Years
Max Age
4 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2025-06-10
Primary Completion
2026-12-01
Completion
2026-12-01

Countries

  • United States

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT05921214 on ClinicalTrials.gov