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August 23, 2026International Journal of Language & Communication DisordersOpen Access

Effectiveness of Caregiver‐Mediated Spoken Language Interventions for Children Under Five at Risk of Developmental Language Disorder: A Systematic Review and Meta‐Analysis

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Authors

VJVictoria Johnstone‐CookeQueen Margaret UniversityMRMarion RutherfordQueen Margaret UniversityASAinuska SheripkanovaQueen Margaret University

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Overview

Systematic review and meta-analysis reveals significant language improvements in children under five at risk of developmental language disorder, highlighting the value of early caregiver-led therapy.

Key Points

  • To assess the effectiveness of caregiver-mediated spoken language interventions on language and non-language outcomes for children under age five at risk of developmental language disorder (DLD).
  • Conducted a systematic review following PRISMA guidelines across five electronic databases to identify experimental studies evaluating caregiver-mediated language interventions against control conditions.
  • Synthesized 26 experimental studies (N=1407 children) qualitatively and performed a meta-analysis on 9 randomized controlled trials (N=947 children) presenting with risk factors such as prematurity, socioeconomic disadvantage, or late language emergence.
  • Meta-analysis revealed a statistically significant improvement in spoken language outcomes among children receiving caregiver-mediated interventions compared to treatment-as-usual, non-language interventions, or waitlist controls.
  • Qualitative synthesis indicated positive improvements across child language developmental trajectories, child wellbeing, and caregiver adherence and self-efficacy.

Cite This Study

Johnstone‐Cooke et al. (2026) studied this question.

synapsesocial.com/papers/6a8aad417677a3411444561dhttps://doi.org/10.1111/1460-6984.70304
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  4. 4Short-Term Effects of a Caregiver-Mediated Intervention for Preschoolers at Risk for Developmental Language Disorder: A Randomized Controlled Trial2026
  5. 5Effective Whole Class Oral Language Interventions and Strategies for Students with Developmental Language Disorder: A Systematic Review2026