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

Kristina C. Breaux, PhD

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.

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Publication date:: 2020
Age range:: 4-50 (Grades PK-12+)
Scores/interpretation:: Standard score, percentile rank, confidence interval, descriptive classification, interpretive statement, history and background considerations, graphical profile
Qualification level:: B
Completion time:: About 5 minutes for PK-3; Less than 20 minutes for 4-12+
Administration:: Q-interactive (administration only), Q-global (digital administration components), or paper-and-pencil
Scoring options:: Hand scoring