Responsiveness to Intervention in Children with Dyslexia

Area of Science:

• Developmental Psychology
• Educational Psychology
• Neuroscience

Background:

• Children with dyslexia often struggle with reading and spelling acquisition.
• Early identification and targeted interventions are crucial for improving literacy skills.

Purpose of the Study:

• To assess the effectiveness of a 12-week phonics intervention for Dutch children with dyslexia.
• To compare reading and spelling gains in dyslexic children versus typical readers.
• To investigate predictors of intervention responsiveness.

Main Methods:

• A 12-week phonics intervention targeting grapheme-phoneme correspondences (GPCs) and word reading/spelling.
• Pre- and post-intervention assessments of GPC accuracy/efficiency, word/pseudoword decoding, and spelling accuracy.
• Analysis of precursor measures (e.g., rapid automatized naming, verbal working memory) to predict intervention outcomes.

Main Results:

• Children with dyslexia demonstrated significant deficits in reading and spelling at pretest.
• Dyslexic children showed greater progress in GPC, decoding, and spelling accuracy compared to typical readers.
• Precursor measures like rapid automatized naming and phoneme deletion directly and indirectly predicted improvements in GPC speed and decoding efficiency.

Conclusions:

• Phonics intervention can significantly improve reading and spelling skills in children with dyslexia.
• Responsiveness to phonics intervention is influenced by underlying cognitive precursor skills.
• Targeted phonics instruction is a viable approach for remediating reading and spelling difficulties in dyslexic learners.