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

NACompletedINTERVENTIONAL
Enrollment

27

Participants

Timeline

Start Date

October 31, 2022

Primary Completion Date

September 17, 2024

Study Completion Date

September 17, 2024

Conditions
Developmental Language DisorderSpecific Language ImpairmentLanguage Development
Interventions
BEHAVIORAL

Retrieval-based word learning: Repeated Spaced Retrieval condition

"Each child will learn 8 novel nouns referring to unfamiliar plants and animals (nepp) and a related meaning (a nepp likes rain) in the context of a story book. Four of the nouns will be will be learned using repeated spaced retrieval. In this condition, they will initially hear the information and be asked to retrieve it. Thereafter, they will be asked to retrieve it after hearing 3 intervening words. After each retrieval attempt, they will hear the target information again. This procedure will occur on two consecutive days."

BEHAVIORAL

Retrieval-based word learning: Repeated Study condition

"Each child will learn 8 novel nouns referring to unfamiliar plants and animals (nepp) and a related meaning (a nepp likes rain) in the context of a story book. Four of the nouns will be will be learned using repeated study trials only (with no retrieval practice). In this condition, they will simply hear the information (word \& meaning) as part of the story. This procedure will occur on two consecutive days."

Trial Locations (2)

46240

Purdue University's SLHS laboratories (8445 Keystone Crossing), Indianapolis

47907

Purdue University, West Lafayette

All Listed Sponsors
collaborator

National Institute on Deafness and Other Communication Disorders (NIDCD)

NIH

lead

Purdue University

OTHER