Table 1.

Description of Wechsler Individual Achievement Test – Second Edition (WIAT-II) subtests used to assess academic performance.

Subtest	Description
Word Reading	Assesses single oral word reading fluency
Spelling	Assesses the ability to provide written spelling of dictated words used in a sentence
Numerical Operations	Assesses the ability to conduct paper and pencil computations of addition, subtraction, multiplication, and division
Math Reasoning	Assesses the ability to reason mathematically by solving word problems that are simultaneously read out loud and presented visually
Math Composite	A standardized composite score of the Numerical Operations and Math Reasoning subtests on the WIAT-II.