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Related Experiment Videos

Language growth in children with expressive language delay.

J E Fischel1, G J Whitehurst, M B Caulfield

  • 1Department of Pediatrics, State University of New York, Stony Brook 11794-8111.

Pediatrics
|February 1, 1989
PubMed
Summary

Children with expressive language disorder show varied improvement. Parent-reported vocabulary size, meal regularity, and quiet activity predict language development, aiding early identification.

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Area of Science:

  • Child development
  • Linguistics
  • Pediatric psychology

Background:

  • Developmental expressive language disorder (DELD) is common in children, marked by significant delays in expressive language.
  • Debate exists on whether DELD is a disorder needing intervention or normal language onset variation.

Purpose of the Study:

  • To assess the improvement rate of DELD in 2-year-olds over 5 months.
  • To identify predictors of language improvement in children diagnosed with DELD.

Main Methods:

  • Longitudinal study of 26 children diagnosed with DELD.
  • Pretest assessments included parent-reported vocabulary size, meal regularity, and observed quiet activity.
  • Posttest evaluation measured language improvement over 5 months.

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Main Results:

  • Improvement varied: one-third showed no improvement, one-third mild improvement, and one-third reached the normal range.
  • Parent-reported vocabulary, meal problems, and quiet activity frequency accounted for nearly two-thirds of improvement variance.
  • Screening using vocabulary size alone predicted improvement status with 81% accuracy.

Conclusions:

  • Expressive language development in young children is highly variable.
  • Specific pretest variables can predict language improvement in DELD.
  • Vocabulary size is a key indicator for screening and managing DELD.