Peabody Individual Achievement Test-Revised/Normative Update (PIAT-R/NU)

Peabody Individual Achievement Test-Revised/Normative Update (PIAT-R/NU) (originally developed in the 1970s; revised in the 1980s; updated in the 1990s) an hour-long, individually administered test that yields nine scores (General Information, Reading Recognition, Reading Comprehension, Total Reading, Mathematics, Spelling, Total Test, Written Expression, and Written Language). For ages 5 to 22