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Related Concept Videos

Language Development01:22

Language Development

Children master language quickly and with relative ease, supported by both biological predisposition and reinforcement. B. F. Skinner (1957) proposed that language is learned through reinforcement, while Noam Chomsky (1965) argued that language acquisition mechanisms are biologically determined.
The critical period for language acquisition suggests that the ability to acquire language is at its peak early in life. As people age, this proficiency decreases. Language development begins very...

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Related Experiment Video

Updated: Jul 2, 2026

Examining Recall Memory in Infancy and Early Childhood Using the Elicited Imitation Paradigm
06:35

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Parent based language intervention for 2-year-old children with specific expressive language delay: a randomised

A Buschmann1, B Jooss, A Rupp

  • 1Department of Paediatric Neurology, Children's Hospital, University of Heidelberg, Im Neuenheimer Feld 150, D-69120 Heidelberg, Germany. anke.buschmann@med.uni-heidelberg.de

Archives of Disease in Childhood
|August 16, 2008
PubMed
Summary

A parent-based language intervention significantly improved expressive language skills in 2-year-olds with specific expressive language delay (SELD). This intervention reduced the rate of language impairment by age 3.

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Area of Science:

  • Pediatric developmental psychology
  • Speech and language pathology
  • Early childhood education

Background:

  • Specific expressive language delay (SELD) affects young children's communication development.
  • Early intervention is crucial for improving language outcomes in children with SELD.
  • Parent-based programs offer a scalable approach to language support.

Purpose of the Study:

  • To evaluate the effectiveness of a structured, parent-based language intervention for 2-year-olds with SELD.
  • To determine if the Heidelberg Parent-based Language Intervention (HPLI) improves expressive language abilities.
  • To assess the impact of HPLI on the rate of specific language impairment.

Main Methods:

  • A randomized controlled trial involving 61 children with SELD.
  • Participants were screened using a German parent-report questionnaire adapted from the MacArthur Communicative Development Inventories.
  • Children were randomly assigned to either a 3-month HPLI program or a 12-month waiting list control group.

Main Results:

  • At age 3, 75% of children in the intervention group achieved normal expressive language abilities, compared to 44% in the waiting group.
  • The intervention group had a significantly lower rate of specific language impairment (8%) versus the waiting group (26%).
  • Language and non-verbal cognitive abilities were assessed using standardized instruments by blind assessors.

Conclusions:

  • The short, highly structured Heidelberg Parent-based Language Intervention (HPLI) is effective in reducing language impairment rates in children with SELD.
  • Parent-based language intervention can significantly improve expressive language outcomes by age 3.
  • Early intervention through HPLI offers a viable strategy for addressing SELD.