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Related Experiment Video

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Portable Intermodal Preferential Looking IPL: Investigating Language Comprehension in Typically Developing Toddlers and Young Children with Autism

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The Hebrew Web Communicative Development Inventory (MB-CDI): Lexical Development Growth Curves.

Hila Gendler-Shalev¹, Esther Dromi²

¹Communication Sciences and Disorders, University of Haifa, Israel.

Journal of Child Language

|March 19, 2021

Summary

This study tracked the early vocabulary growth of 881 Hebrew-speaking toddlers. Lexical development, including words and gestures, was comparable to other languages, with sex, birth order, and childcare influencing development.

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Area of Science:

Developmental Psychology
Linguistics
Child Development

Background:

Understanding early lexical development is crucial for identifying developmental milestones.
Previous research has established norms for vocabulary acquisition in various languages.
Hebrew-speaking toddlers' language development requires specific normative data.

Purpose of the Study:

To present normative data on the lexical development of Israeli Hebrew-speaking toddlers.
To characterize growth curves for expressive vocabulary, receptive vocabulary, actions, and gestures.
To examine the influence of demographic factors on early language acquisition.

Main Methods:

Data collected from 881 monolingual Hebrew-speaking toddlers aged 1;0 to 2;0.
Utilized a web-based version of the Hebrew MacArthur-Bates Communicative Development Inventories (H-MB-CDI).
Analyzed growth curves and compared developmental trajectories based on demographic variables.

Main Results:

Hebrew lexical growth curves are comparable to those reported for other languages.
Significant influences on lexicon size were observed for sex, birth order, and child-care arrangements.
Established trajectories provide benchmarks for typical lexical growth in the second year of life.

Conclusions:

The study provides valuable normative data for Hebrew-speaking toddlers' lexical development.
Demographic factors play a role in shaping early language acquisition.
These findings can aid in the assessment and support of language development in young children.