Tests of Dyslexia (TOD)

Tests of Dyslexia (TOD) provides measures to address screening, diagnosis/identification, and intervention–based assessment goals for individuals ages 5 years, 0 months–89 years, 11 months (Grade K–Adults).

Authors

Nancy Mather, PHD, R. Steven McCallum, PHD, Sherry Mee Bell, PHD and Barbara J. Wendling, MA

Tests of Dyslexia (TOD)

TOD Rating Scales (Self, Parent and Teacher rating scales)
TOD–Screener (TOD–S)
TOD–Early (TOD–E)
TOD–Comprehensive (TOD–C)
TOD Interventions and Recommendations Companion Guide (Helps examiners develop IEPs and targeted intervention plans to address specific skill weaknesses)

Tests of Dyslexia (TOD) includes three test batteries (kits)

TOD–Screener (TOD–S)

Three tests that can be administered to groups of students or to individuals, available in a paper or digital format.
Universal Screener: Grade K–Adults (ages 5 years, 0 month–89 years, 11 months)
Admin time 10–15 minutes to obtain Dyslexia Risk Index

TOD–Early (TOD–E)

Grade K–2 designed for the early identification of students aged 5–9 years (5 years, 0 months–9 years, 3 months).
Nine tests (includes TOD–S, which are the first 3 tests)
Admin times is 20–35 minutes to require for the Dyslexia Diagnostic Index.

TOD–Comprehensive (TOD–C)

Grades 1–Adult designed for examinees aged 6–89 years (6 years, 0 months–89years, 11 months).
Twenty three tests (not all tests are typically administered), includes TOD–S (first 3 tests)
Admin time is 30–40 minutes to require for the dyslexia diagnostic index (6 tests in addition to TOD–S)

(*Note you can purchase a Combination of all 3 kits, please see details at the bottom of the page)

The TOD Measures Skills and Abilities in 3 Broad Domains

Reading and Spelling

Sight Word Acquisition; Phonics Knowledge; Spelling; Reading Rate; Reading; Comprehension Efficiency

Linguistic Processing

Phonological Awareness; Rapid Automatized Naming; Working Memory; Orthographic Processing; Visual–Verbal Paired–Associated Learning

Vocabulary and Reasoning

Abilities that do not require reading or spelling; Comparing the results of this domain with results from the other two domains can be useful in making a diagnosis of/identifying dyslexia

Brief Introduction to the Tests of Dyslexia (TOD)

The following professionals may use the TOD

Classroom teachers may administer the TOD–Screener (TOS–S) and complete the Teacher Rating Scale. Teachers that are trained to administer the test and are supervised by professionals who have advanced training with standardized assessments may also administer the TOD–E or TOD–C.
Reading specialists/Interventionists/coaches
Special educators/educational diagnosticians
School psychologists/psychologist/neuropsychologists
Speech and language Pathologists
Professionals/Paraprofessionals with training in assessment

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