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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.
HubSpot Video
HubSpot Video

Introduction to the Tests of Dyslexia (TOD™) 

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

(Download webinar slides here)

HubSpot Video

Challenges in Assessing Dyslexia 

– Nancy Mather, PhD.

(Download webinar slides here)

HubSpot Video

Best Practices in Dyslexia Assessment 

– Nancy Mather, PhD.

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

HubSpot Video

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

– Nancy Mather, PhD.

(Download webinar slides here)

How it works

HubSpot Video

Assessment areas covered:

  • Spelling
  • Reasoning
  • Vocabulary
  • Reading Fluency 
  • Phonics Knowledge 
  • Decoding Efficiency 
  • Basic Reading Skills 
  • Sight Word Acquisition 
  • Phonological Awareness
  • Orthographic Processing
  • Auditory Working Memory 
  • Rapid Automatized Naming 
  • Reading Comprehension Efficiency 
  • Visual Verbal Paired Associate Learning

Benefits of the Tests of Dyslexia (TOD):

  • 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.
  • Includes a detailed and evidence-based Dyslexia Interventions and Recommendations Companion Guide
  • The assessment includes Co-Normed Rating Scales.
  • Allows for the identification and targeting of an individual's difficulties in acquiring literacy skills.
  • Includes tests of reasoning for comparison with reading and spelling
  • Allows for universal application regardless of district Specific Learning Disability (SLD) model.
  • Stand-alone tests allow for an individually tailored evaluation
With comprehensive, dyslexia-specific data, the TOD is paving the way for a new assessment journey–one that could change people's lives for the better. 

Frequently Asked Questions: Dyslexia Interventions and Assessments