For clinical, educational, or research teams who need a brief, performance-based dyslexia screener—including the new Phonemic Proficiency subtest—for ages 4 through 50, the WIAT-4 Dyslexia Index is an individually administered tool that provides risk assessment, strength of risk, and interpretive information for team and parent/caregiver communication. The WIAT-4 Dyslexia Index is the most current version. See our Guidance on using this assessment remotely.

Wechsler Individual Achievement Test | Fourth Edition: Dyslexia Index
WIAT-4 Dyslexia Index
For clinical, educational, or research teams who need a brief, performance-based dyslexia screener—including the new Phonemic Proficiency subtest—for ages 4 through 50, the WIAT-4 Dyslexia Index is an individually administered tool that provides risk assessment, strength of risk, and interpretive information for team and parent/caregiver communication. The WIAT-4 Dyslexia Index is the most current version. See our Guidance on using this assessment remotely.Choose from our formats
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