Dyslexia Screening

Dyslexia screening

Identify students at risk for dyslexia and reading difficulties

  • Screen students in under 30 minutes.

  • Identify decoding inefficiencies and word-level reading struggles.

  • Help educators make data-driven intervention decisions.

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What is Dyslexia?

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Dyslexia is a neurobiological learning disability affecting word recognition, decoding, and spelling.

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It affects 17% of K-12 students (Shaywitz, 2004), making it the most common reading disorder.

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Dyslexia is not tied to intelligence – even high-achieving students may struggle with reading.

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Many students develop compensatory strategies, making dyslexia harder to detect in later grades.

Dyslexia vs. general reading difficulties:
key differences

Dyslexia
General Reading Difficulties
Rooted in phonological processing deficits
May stem from vocabulary, comprehension, or fluency challenges
Persistent difficulty decoding words
Struggles vary; may improve with general reading support
Not linked to intelligence or effort
May be influenced by language exposure or instruction
Often requires structured literacy interventions
Can often be addressed with broad reading strategies

Why screening for dyslexia beyond grade 2 is crucial

Many students go undiagnosed in early grades

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Early screeners focus on Grades K-2, but many struggling readers are not identified before 3rd grade.

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Students may compensate by memorizing words, masking their decoding issues.

Many students go undiagnosed in early grades

Why screening for dyslexia beyond grade 2 is crucial

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Increased academic demands expose word recognition struggles.

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Students with undiagnosed dyslexia often experience frustration, anxiety, and disengagement.

Many students go undiagnosed in early grades

Late intervention can still be highly effective

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Research shows structured literacy interventions help struggling readers at any age.

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Identifying at-risk students early prevents long-term academic challenges.

Many students go undiagnosed in early grades
Dyslexia screening shouldn’t stop at grade 2 – ReadBasix makes it accessible for students up to Grade 12.

How ReadBasix identifies dyslexia risk

ReadBasix assesses key word-level skills linked to dyslexia, including:

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Word recognition & decoding

Identifies decoding deficits—a core dyslexia symptom

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Vocabulary

Weak vocabulary may indicate long-term reading struggles

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Morphology

Helps assess word structure processing skills

Key dyslexia risk indicators in ReadBasix results:

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Decoding threshold

(Score <235) – Signals severe decoding struggles

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Inefficient decoding patterns

Identifies students who struggle to decode new words

ReadBasix does not diagnose dyslexia, but provides a highly reliable risk assessment.
Key dyslexia risk indicators in ReadBasix results:

ReadBasix is a trusted screener

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Backed by 20+ years of research in reading assessment.

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Developed by ETS researchers under the U.S. Dept. of Education’s Reading for Understanding Initiative.

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Validated against industry-leading assessments (TOWRE, DIBELS-8).

How ReadBasix ensures accurate screening

How ReadBasix ensures accurate screening

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Uses real words, nonsense words, and pseudohomophones to assess decoding ability.

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Tracks response time to measure reading fluency and efficiency.

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Provides scalable, automated testing, reducing human error and bias in screening.

ReadBasix is a trusted screener

Ready to make a difference?

Book a personalized demo with our team today and discover how ReadBasix can empower your educators and students.

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See also

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Diagnostic Evaluation

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Benchmark Testing

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Universal Screening

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Lexile Measurement