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Related Concept Videos

Language and Cognition01:27

Language and Cognition

441
Language serves as a bridge between ideas and communication, influencing how individuals perceive and interact with the world. Psychologists have long debated whether language shapes thought or vice versa. This discussion gained grip with Edward Sapir and Benjamin Lee Whorf in the 1940s, who proposed that language determines thought, a concept known as linguistic determinism. They suggested that the vocabulary and structure of a language influence how its speakers think and perceive reality.
441
Components of Language01:24

Components of Language

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Language, whether spoken, signed, or written, consists of specific components: lexicon and grammar. The lexicon is the vocabulary of a language, comprising its words. Grammar is the set of rules used to convey meaning through the lexicon. For example, English grammar adds “-ed” to most verbs to indicate past tense. Words are formed by combining phonemes, which are the basic sound units of a language. Different languages have different sets of phonemes (e.g., “ah” vs.
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Lateralization01:28

Lateralization

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Brain lateralization refers to the division of mental processes and functions between the two hemispheres of the brain, a phenomenon that optimizes neural efficiency and underpins complex abilities in humans. This specialization allows each hemisphere to perform tasks where it has a comparative advantage, facilitating more refined cognitive capabilities across different domains.
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Updated: Sep 11, 2025

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Convergent Validity of the Cross-Linguistic Lexical Task.

Svetlana Kapalková1, Kamila Polišenská2,3, Andrej Mentel4,5

  • 1Faculty of Education, Department of Communication Disorders, Comenius University in Bratislava, Bratislava, Slovakia.

International Journal of Language & Communication Disorders
|August 11, 2025
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Summary
This summary is machine-generated.

The Cross-linguistic lexical task (CLT-SK) is a valid tool for assessing overall lexical skills in children aged 2-6 years. However, its agreement with other measures at the individual item level is poor, limiting its use for specific word knowledge assessment.

Keywords:
convergent validitycross‐linguistic lexical tasklexical assessment

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Area of Science:

  • Developmental Psychology
  • Linguistics
  • Psychometrics

Background:

  • Parental checklists and direct assessments of vocabulary are established measures for preschool children.
  • Limited research exists on the interrelationships between various direct lexical knowledge assessments.
  • Understanding these relationships is crucial for comprehensive lexical skill evaluation.

Purpose of the Study:

  • To validate the Cross-linguistic lexical task (CLT-SK) against direct and indirect lexical measures in Slovak-speaking children aged 2-6 years.
  • To examine the agreement between total scores and individual item performance across different lexical assessment methods.
  • To assess the CLT-SK's utility during a critical period of lexical development.

Main Methods:

  • 109 typically developing Slovak-speaking children (2-6 years) completed the CLT-SK.
  • Lexical skills were also assessed using a parental checklist (Slovak adaptation of CDI), a narrative task (Internal State Terms), and a non-word repetition task.
  • Item-level agreement was analyzed between the CLT-SK and the CDI.

Main Results:

  • Correlational analyses revealed significant relationships between the CLT-SK and all other lexical measures.
  • Total scores across different measures showed confirmed relationships.
  • Agreement at the individual item level between parental judgment (CDI) and child performance (CLT-SK) was found to be poor.

Conclusions:

  • The CLT-SK demonstrates validity for assessing overall lexical skills in children aged 2-6 years when total scores are considered.
  • The inadequate agreement at the item level suggests caution when interpreting specific word knowledge based on individual item performance.
  • The study highlights the CLT-SK's potential clinical utility due to its ease of use, cost-effectiveness, and accessibility.