Examining complex academic language in children with dyslexia: a comparative analysis with curriculum standards

Area of Science:

• Linguistics
• Developmental Psychology
• Education

Background:

• Dyslexia affects reading, but underlying language skills are crucial for academic success.
• Developmental Language Disorder (DLD) often co-occurs with dyslexia, but subclinical language weaknesses may be more prevalent.
• Complex academic language is vital for comprehension, yet often overlooked in dyslexia support.

Purpose of the Study:

• To evaluate complex academic language (discourse, sentence, vocabulary) in school-age students with dyslexia, with and without DLD.
• To compare student performance against curriculum standards for language complexity.
• To identify the extent of language deficiencies impacting reading comprehension in this population.

Main Methods:

• Collected narrative retell language samples from 183 students (grades 1-6) with dyslexia (with/without DLD).
• Utilized the Narrative Language Measures-Listening subtest (CUBED-3) to assess discourse, sentence, and vocabulary complexity.
• Compared language sample data against established curriculum benchmarks.

Main Results:

• Significant language deficiencies were found across all grades, with most students failing to meet benchmarks.
• 94-100% of students lacked complex sentence structures, and 82-100% lacked complex vocabulary.
• No significant differences in discourse complexity were found between students with dyslexia with and without DLD; minimal differences in sentence and vocabulary complexity were observed.

Conclusions:

• Students with dyslexia exhibit substantial weaknesses in complex academic language, extending beyond typical dyslexia challenges.
• These language deficits significantly hinder academic success, necessitating proactive assessment and intervention.
• Systematic oral language screening and targeted interventions are crucial for supporting the educational needs of children with dyslexia.