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Dyslexia is complex.

Assessing for it doesn’t have to be.
The Tests of Dyslexia (TOD) is the first comprehensive assessment of dyslexia, eliminating the need to use tests from different assessments. Linking dyslexia assessment to targeted interventions has never been more efficient and effective.

Assessment components:

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Assessment areas covered:

  • Phonological Awareness  
    • Rhyming
    • Blending
    • Segmenting
  • Phonics Knowledge 
  • Rapid Automatized Naming 
  • Letter and Word Recognition
  • Sight Word Acquisition 
  • Decoding  
    • Real Words
    • Nonsense Words
  • Vocabulary Knowledge
  • Reading Comprehension & Efficiency
  • Reading Fluency
  • Spelling
  • Reasoning
  • Basic Reading Skills 
  • Listening Comprehension
  • Orthographic Processing  
  • Auditory Working Memory 
  • Visual–Verbal Paired-Associate Learning

Benefits:

  • This is the first comprehensive dyslexia assessment to include interventions tied to the assessment data. 
    Suitable for all ages, the TOD offers age and grade-based tests, indexes, and composite scores:    
    • TOD-Early (Grades K–2; 5 years, 0 months–9 years, 3 months) and TOD-Comprehensive (Grade 1 through adulthood; 6 years, 0 months–89 years, 11 months)
  • The screener provides a Dyslexia Risk Index score in 10-15 minutes.  
    • This brief assessment can be given individually or in a group format by teachers or other professionals. 
  • The TOD includes:
    • a detailed and evidence-based Dyslexia Interventions and Recommendations Companion Guide. 
    • co-normed rating scales. 
    • tests of reasoning for comparison with reading and spelling. 
  • The TOD allows for:
    • identification and targeting of an individual's difficulties in acquiring literacy skills. 
    • universal application regardless of district Specific Learning Disability (SLD) model. 
    • individually tailored evaluation with standalone tests. 

Continuing Education (CE) Opportunities:

  • Independent Study: TOD Manual
    • $90 | LMS-700MCE
    • 6 Continuing Education (CE) credits
  • TOD Training Video (Coming Soon)
    • CEs available
    • On-demand instructional video on administering, scoring, and interpreting the TOD

Dyslexia webinar series:

Dyslexia 101: Understanding Dyslexia and Its Impact on Reading, Spelling, and Self-Esteem

– Nancy Mather, PhD.

(Download webinar slides here)

Best Practices in Dyslexia Assessment 

– Nancy Mather, PhD.

(Download webinar slides here)
(Handout 1) (Handout 2)

Challenges in Assessing Dyslexia 

– Nancy Mather, PhD.

(Download webinar slides here)

Introduction to the Tests of Dyslexia (TOD™) 

– Nancy Mather, PhD, Sherry Bell, PhD, Steve McCallum, PhD, & Barbara Wendling, MA. 

(Download webinar slides here)

How schools can use the TOD to transform education for students with dyslexia:

With comprehensive, dyslexia-specific data, the TOD is paving the way for a new assessment journey.