Retrieval-Based Word Learning in Developmental Language Disorder During Book Reading II

Trial statusRecruiting
Trial phaseNot applicable
Trial typeInterventional
Biological sexAll
Age48-71
SponsorPurdue University

About this trial

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 well-being. 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 the investigators' previous work to determine whether, as has been found thus far, special benefits accrue when these children must frequently recall newly introduced words during the course of learning. In this study, the investigators seek to replicate the advantage that repeated retrieval holds over simple exposure to the words appearing in the context of a story book by increasing the degree to which the words are integrated into the story line.

Eligibility criteria

Qualifiers

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

Disqualifiers

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

Trial design

Treatments tested in this trial

  • Retrieval-based word learning: Repeated Spaced Retrieval condition
  • Retrieval-based word learning: Repeated Study condition

Treatment groups

32 Participants
are divided into 2 treatment groups

Sponsors and collaborators

Purdue University

Lead sponsor

National Institute on Deafness and Other Communication Disorders (NIDCD)

Collaborator