Retrieval-Based Word Learning in Developmental Language Disorder
Completed · Not applicable
Conditions studied: Developmental Language Disorder, Specific Language Impairment, Language Development
In brief
Children with developmental language disorder (DLD; also referred to as specific language impairment) experience a significant deficit in language ability that is longstanding and harmful to the children's academic, social, and eventual economic wellbeing. Word learning is one of the principal weaknesses in these children. This project focuses on the word learning abilities of four- and five-year-old children with DLD. The goal of the project is to build on our previous work to determine whether, as we have found thus far, special benefits accrue when these children must frequently recall newly introduced words during the course of learning. In this first of a series of studies, we seek to increase the children's absolute levels of learning while maintaining the advantage that repeated retrieval holds over comparison methods of learning.
Key facts
- Study ID
- NCT05325333
- Run by
- Purdue University
- People needed
- 28
- Starts
- 2022-03-16
- Expected to finish
- 2024-02-12
- Last updated by the study team
- 2025-08-29
Who can join
Age: 4 and older, up to 6. Sex: any. Healthy volunteers: accepted.
You may qualify if…
- 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)
You may not qualify if…
- 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
Where it is running
- Purdue University — West Lafayette, Indiana, United States
Full record on ClinicalTrials.gov
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