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Can quizzing help kids with language delays learn new words?

NCT ID NCT06026124

Knowledge-focused Sponsor: Purdue University Source: ClinicalTrials.gov ↗

What the study statuses mean

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Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 25, 2026 · Last updated Sep 04, 2026 · Updated 3 times

Summary

This study looked at whether asking children with developmental language disorder to repeatedly recall new words helps them learn better than just hearing the words. Twenty-seven 4- and 5-year-olds learned made-up words during storybook reading. The goal was to see if retrieval practice boosts word learning and memory.

What this could mean

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

Active substance
repeated spaced retrieval (a learning technique)
What this could lead to
If successful, this could point toward better teaching methods for children with language disorders.
What could go wrong
This is a small, early-stage study with only 27 children. Results may not apply to all children or real-world settings.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

27 people

The number who actually took part.

Started

Oct 2022

Finished

Sep 2024

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

48 to 71 months

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * a significant deficit in language ability (language test score below cutoff for best sensitivity/specificity) or documented age-appropriate language ability. * normal hearing * no evidence of neurological damage or disease * scores on tests of nonverbal intelligence above the intellectual disability range * not within Autistic range on Autism screening test * native English speaker (can be bilingual) Exclusion Criteria: * failed hearing screening * known neurological damage or disease * scores on tests of nonverbal intelligence below the intellectual disability range (standard score less than 75) * autism spectrum disorder * non-native English speaker

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Conditions

The condition(s) this trial relates to.

familial developmental dysphasia Language Development Disorders specific language disorder specific language impairment

As listed by the trial registrant

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

Developmental language disorder Language development Specific language impairment

Contacts and locations

Locations

  • Purdue University

    West Lafayette, Indiana, 47907, United States

  • Purdue University's SLHS laboratories (8445 Keystone Crossing)

    Indianapolis, Indiana, 46240, United States

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