The Peabody Individual Achievement Test-Revised/Normative Update (PIAT-R/RU) (Markwardt, 1998) can be used with students in grades K-12; it assesses achievement in six areas:
The PIAT-R/NU is used for screening and measuring overall achievement in grades 5-12. It takes about 30-45 minutes to administer.
Another test is the Wechsler Individual Achievement Test-Fourth Edition (WIAT-4) (2020). The WIAT-4 corresponds to IDEA (the Individuals with Disabilities Education Act) for determining a learning disability. In addition to the traditional academic areas (e.g., math, reading and writing), learning disabilities may occur in oral expression and listening comprehension. The WIAT-4 includes four Core composite and 13 subtest areas:
There are also eight supplemental composite and 20 subtest areas. The composite areas are Basic Reading, Decoding, Reading Fluency, Math Fluency, Oral Language, Phonological Processing, Orthographic Processing, and Dyslexia Index.
The WIAT-4 can be used with individuals ages 4–50 and takes 30–90 minutes to administer.
The Woodcock-Johnson IV Tests of Achievement (WJ IV ACH) (Woodcock, McGrew, & Mather, 2014) is typically used in public schools to assess students in need of special education services. There are 22 subtests measuring four domains:
(a) Reading/Grw (Reading, Broad Reading, Basic Reading, Reading Comprehension, Reading Fluency, Reading Rate); (b) Math (Mathematics, Broad Mathematics, Math Calculation Skills, Math Problem Solving); (c) Writing/Grw (Written Language, Broad Written Language, Basic Writing Skills, Written Expression); and (d) Cross Domain Cluster scores (Academic Skills, Academic Applications, Academic Fluency, Academic Knowledge, and Phoneme-Grapheme Knowledge).
The WJ-IV has a counterpart cognitive program (WJ IV Tests of Cognitive Ability) and includes the following skill tests:
The WJ IV also includes a 12 tests for Oral Language
The WJ IV can be used for individuals ages 2–90+; it takes 1–2 hours to administer depending upon which subtests are done.
The Wide Range Achievement Test (WRAT-5) (Wilkinson & Robertson, 2017) is typically used as a screening measure for the identification of strengths and weaknesses in academic subjects. It includes four subtests:
A Reading Composite score is created by combining the standard scores for Word Reading and Sentence Comprehension.
The test can be used for individuals ages 5–85+. It takes between 15 and 25 minutes to administer.