Diagnosing Dyslexia

diagnosing dyslexiaDyslexia can be
confusing, especially if this is all new for you. There is an enormous body of research pertaining to dyslexia. A Google search for the term dyslexia returns 15,700,000 hits!  

It’s devilishly hard for parents to sort through this avalanche of information to findcredible help for their child!  A good strategy is to look for review articles that summarize the current scientific consensus written by credible professionals.

In one such recent study, The Diagnosis and Treatment of Reading and/or Spelling Disorders in Children and Adolescents, the authors systematically searched the literature and databases, presented their findings in a consensus conference and then summarized the results.  Although mostly focused on Germany, the literature they reviewed was international. With regard to evaluation and diagnosis, they found:

  • The World Health Organization’s International Classification of Diseases (ICD-10) system uses three different reference criteria for diagnosing dyslexia (1: age, 2: grade and 3: IQ);
  • There is no evidence that the choice of the diagnostic reference criteria (age, grade, or IQ) matters to the therapeutic or developmental outcome;
  • Procedures used to diagnose reading and spelling disorders are inconsistent;
  • But, consensus-based guidelines for the diagnosis of reading and/or spelling disorders in children and adolescents are now available.

dyslexia graphic

More and more,  clinicians and researchers are basing evaluation and diagnosis of dyslexia on a theoretical model called The Simple View of Reading.  The Simple View is that there are two main types of reading and writing problems:  

1) Dyslexia (difficulty processing words, including both pronouncing words from print and spelling them)

2) Language Impairment (difficulties when listening to spoken language)

In the Simple View, the reference criterion is not age, grade or IQ.  Rather, it’s the ability to understand of spoken language and that is what is compared to reading and spelling skills.

Since in dyslexia the deficits are in reading and spelling but not in understanding spoken language, an examiner diagnosing dyslexia must use procedures that allow a clear comparison of the student’s abilities in these two areas.

Lexercise is here to help!

  • EVALUATION– We offer a full online evaluation based on the Simple View that allows the therapist to determine if the student’s performance is characteristic of dyslexia.  
  • THERAPY– We also offer an option to start therapy without a formal diagnosis, with an informal assessment during the first  therapy session. We are so confident in our methodology that we guarantee that your child will improve onewhole grade level in two months.

SCREENING-You can use the free, online Lexercise dyslexia screener to get a better understanding of your child’s reading difficulties.Lexercise-Color-Logo1



Galuschka, K., & Schulte-Körne, G. (2016). The Diagnosis and Treatment of Reading and/or Spelling Disorders in Children and Adolescents. Deutsches Ärzteblatt International, 113(16), 279–286. http://doi.org/10.3238/arztebl.2016.0279

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