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Updated: May 26, 2026

Decomposing the Variance in Reading Comprehension to Reveal the Unique and Common Effects of Language and Decoding
Published on: October 11, 2018
Fluency and reading comprehension in students with reading difficulties
Tânia Augusto Nascimento1, Carolina Alves Ferreira de Carvalho, Adriana de Souza Batista Kida
1Center for Teaching, Assistence and Research in Reading and Writing, Department of Speech-Language Pathology and Audiology, Universidade Federal de São Paulo, São Paulo, SP, Brazil. taniaan@hotmail.com
Students with reading difficulties exhibit lower reading fluency and comprehension. Decoding deficits significantly impact reading comprehension, which does not improve with age in this group.
Area of Science:
- Educational Psychology
- Developmental Psychology
- Neuroscience
Background:
- Reading difficulties impact academic performance.
- Understanding the relationship between decoding and comprehension is crucial for intervention.
Purpose of the Study:
- Characterize performance of students with reading difficulties in decoding and comprehension.
- Investigate correlations between decoding and comprehension skills.
Main Methods:
- Evaluated 60 students (3rd-5th grade), 30 with learning disabilities (Research Group - RG) and 30 good readers (Comparison Group - CG).
- Assessed reading fluency (rate, accuracy) and reading comprehension (reading level, idea identification, multiple-choice questions).
Main Results:
- RG scored significantly lower than CG in fluency and comprehension.
- RG showed correlations between low fluency and comprehension; decoding improved with grade, but comprehension did not.
- CG showed correlations among fluency parameters, but not with comprehension.
Conclusions:
- Students with reading difficulties have lower reading fluency and comprehension.
- Decoding deficits directly influence reading comprehension in students with difficulties.
- Reading comprehension does not improve with age in students with reading difficulties.
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