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Can familiar words boost toddler language learning?

NCT ID NCT05921214

Recruiting now Symptom relief Sponsor: University of Arizona Source: ClinicalTrials.gov ↗

First seen Jul 13, 2026 · Last updated Jul 14, 2026 · Updated 1 time

Summary

This study compares word learning in late-talking toddlers (ages 2–3) who receive a behavioral treatment called VAULT. One group is taught words from categories they already know (like animals), while the other group learns words from less familiar categories. The goal is to see which approach helps children learn more words overall.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance
VAULT (Vocabulary Acquisition and Usage for Late Talkers) – a behavioral vocabulary learning treatment
What this could lead to
If successful, this could help refine language therapy for toddlers with language delays, making it more effective by focusing on familiar word categories.
What could go wrong
This is a small, early-stage study with only 32 children, so results may not apply to all late-talking toddlers. The treatment is behavioral and requires consistent parent participation.

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Conditions

The condition(s) this trial relates to.

Language Development Disorders language disorder

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

LANGUAGE DEVELOPMENT DISORDERS

Contacts and locations

Study contacts

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

Locations

  • University of Arizona

    RECRUITING

    Tucson, Arizona, 85721, United States

    Contact Phone: •••-•••-•••• Email: •••••@•••••

    Contact

    Contact Phone: •••-•••-•••• Email: •••••@•••••

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