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Early language screening and intervention can be delivered successfully at scale

Evidence from a cluster randomized controlled trial

Bibliographic Data

ID21344709
AuthorsGillian West (0000-0002-4413-3601, University of Oxford Oxford UK, corresponding author), Margaret Snowling (0000-0003-0836-3861, University of Oxford Oxford UK), Margaret J Snowling (University of Oxford), Arne Lervåg (0000-0002-5660-6621, University of Oslo Oslo Norway), Elizabeth Worster (0000-0003-4630-5945, University of Oxford), Elizabeth Buchanan‐Worster (University of Oxford Oxford UK), Mihaela Duta (0000-0002-0435-571X, University of Oxford Oxford UK), Alexandra Hall (0000-0002-1946-0715, Elklan Training Ltd Cornwall UK), Henrietta McLachlan (Elklan Training Ltd Cornwall UK), Charles Hulme (0000-0001-9499-5958, University of Oxford Oxford UK)
Year2021
Volume62
Issue12
Pages1425-1434
Publication date2021-12-01
Peer ReviewedYes
Open AccessYes
TypeARTICLE
VenueJournal of Child Psychology and Psychiatry (JOURNAL)
Journal identifiersISSN: 0021-9630 • E-ISSN: 1469-7610
PublisherWiley (PUBLISHER • GB)
DOI10.1111/jcpp.13415
PMID33783013
OpenAlexW3128650253
LanguageEN
Citations received11
References cited32

BACKGROUND: It is well established that oral language skills provide a critical foundation for formal education. This study evaluated the effectiveness of the Nuffield Early Language Intervention (NELI) programme in ameliorating language difficulties in the first year of school when delivered at scale. METHODS: We conducted a cluster randomized controlled trial (RCT) in 193 primary schools (containing 238 Reception classrooms). Schools were randomly allocated to either a 20-week oral language intervention or a business-as-usual control group. All classes (N = 5,879 children) in participating schools were screened by school staff using an automated App to assess children's oral language skills. Screening identified 1,173 children as eligible for language intervention: schools containing 571 of these children were allocated to the control group and 569 to the intervention group. RESULTS: Children receiving the NELI programme made significantly larger gains than the business-as-usual control group on a latent variable reflecting standardized measures of language ability (d = .26) and on the school-administered automated assessment of receptive and expressive language skills (d = .32). The effects of intervention did not vary as a function of home language background or gender. CONCLUSIONS: This study provides strong evidence for the effectiveness of a school-based language intervention programme (NELI) delivered at scale. These findings demonstrate that language difficulties can be identified by school-based testing and ameliorated by a TA delivered intervention; this has important implications for educational and social policy

Cluster (spacecraft) · Cluster randomised controlled trial · Developmental psychology · Intervention (counseling) · Psychiatry · Randomized controlled trial · Scale (ratio) · Clinical Psychology · Early Childhood Education and Development · Educational and Psychological Assessments · Language Development and Disorders · Medicine · Psychology

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Unique citing works11
Citations per year2,75
Citation span2022 - 2026 (5)
Citation velocitycurrent
Highly citedNo
Citation typesNeutral: 11

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