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RecruitingNCT07519629DLDUpdated Apr 9, 2026

Training Caregivers to Teach Vocabulary to Children With Language Impairment

An interventional study of Robust vocabulary intervention in Developmental Language Disorder, sponsored by Northern Arizona University. Recruiting at 1 site in United States. Open to participants aged 4 Years to 6 Years. Per ClinicalTrials.gov, last updated 2026-04-09.

Sponsored by Northern Arizona University · Not applicable, Interventional, and Treatment

From the registry’s dates

  • Started Feb 2026; still recruiting 8 months later.
Phase
Not applicable
Study type
Interventional
Enrollment
64
Allocation
Randomized
Ages
4 Years to 6 Years
Sex
All
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Study summary

The purpose of this study is to determine whether Spanish-speaking caregivers can learn to teach science vocabulary to their children with the use and educational app and a short training video with target words. The children will take language, speech, and hearing tests, as well as science and vocabulary pretests with a speech-language pathologist. You will be asked to answer some questions about your language use in the house and other places. If you and your child qualify for the study, the researcher will randomly place you a group to 1) use the app, or 2) use books. Since you are chosen at random, there is no way of knowing which group you and your child will be in before you start. Participants will take part in an 11-week study (3 weeks of testing at the beginning, middle, and end of study, and 8 weeks of intervention). The testing will be conducted in a place that is comfortable for your child (home, school, university clinic). The intervention can be done at home (researchers will not be present for this part of the study, but we will be available to support you or answer questions). We want you to play (group 1) or read (group 2) with your child two times a week (\~30 minutes) and send the audio recording of your interaction to our researchers.

02

Conditions studied

  • Developmental Language Disorder

Keywords

  • caregiver intervention
  • bilingual
  • implementation science
  • vocabulary
03

In context

Language Development Disorders

121 studies on the registry are indexed under Language Development Disorders; 49 are open to participants now.

This study's planned enrollment of 64 is below the median of 74 across 106 interventional studies indexed under Language Development Disorders.

Browse Language Development Disorders studies →

Lead sponsor

Northern Arizona University is the lead sponsor of 33 studies on the registry; 14 are open to participants now.

Counted across the registry records on this site, refreshed daily.

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Who can participate

Ages eligible
4 Years to 6 Years
Sexes eligible
All
Accepts healthy volunteers
No

Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.

Inclusion criteria

Children:

  • age (4-6) and not have completed kindergarten prior to pretesting
  • pass a hearing screening to rule out hearing loss as a cause for language impairment
  • speak Spanish at least 50% of their day reported in BIOS
  • have a confirmed diagnosis of DLD via the BESA
  • not have a diagnosis of intellectual disability via Matrices subtest or social communication disorder via Social Communication Questionnaire
  • be able to speak with at least 3-word utterances

Caregivers:

  • have access to a smart phone
  • spend time with the child participant daily
  • speak fluent Spanish

Exclusion criteria

Exclusion Criteria:

-

05

Study design

Phase
Not applicable
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Parallel assignment
Masking
None (open label)
Enrollment
64 participants (estimated)

Study arms

  • Experimental
    Caregiver delivered vocabulary intervention

    Caregivers will be trained to teach target vocabulary to their child during science activities

    Behavioral: Robust vocabulary intervention

  • No intervention
    Caregiver-child book sharing

    Caregivers will read books on target science concepts twice a week with their child

Interventions

  • BehavioralRobust vocabulary intervention

    Caregivers will be trained to teach target vocabulary to their children

06

What researchers measure

Primary outcomes

  1. Caregiver fidelity

    Caregivers will use target vocabulary words a specified number of times during science activity with their child, as measured by review of audio recorded sessions.

    Time frame: 11 weeks

  2. Improved Tier-2 vocabulary for children

    Children will be tested at baseline, mid intervention, and post intervention to determine if target vocabulary words were learned during caregiver provided intervention.

    Time frame: 11 weeks

  3. Modify intervention and training

    Barriers and facilitators of teaching caregivers robust vocabulary intervention will be recorded and coded from caregiver focus group responses.

    Time frame: 11 weeks

07

Study locations

1 of 1 sites recruiting
  • NAU Speech-Language-Hearing Clinic
    Flagstaff, Arizona 86011, United States
    Recruiting
08

References and documents

Study documents

PDFs hosted by the registry, ClinicalTrials.gov.

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Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Apr 9, 2026, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
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Registry details

Key details

Study ID
NCT07519629
Lead sponsor
Northern Arizona University
Responsible party
Sponsor
First posted
Apr 9, 2026
Start date
Feb 23, 2026
Primary completion
Dec 31, 2026 (estimated)
Completion
Dec 31, 2027 (estimated)
Last update
Apr 9, 2026

Study contacts

Lindsey A Hiebert, Ph.D.
Contact
Lindsey.Hiebert@nau.edu
928-523-2109

Oversight

FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

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