Evidence of a qualifying FSIQ is derived from one of the tests listed in the table below.
Assessment | Qualifying score at more than 2 standard deviations | Qualifying score at more than 1.5 standard deviations | Qualifying score at more than 1 standard deviation |
Stanford-Binet 4th edition or earlier editions | 67 or less | 75 or less | 83 or less |
Stanford-Binet 5th edition | 69 or less | 77 or less | 84 or less |
Wechsler intelligence scales (Wechsler) | 69 or less | 77 or less | 84 or less |
Differential abilities scale (DAS) | 69 or less | 77 or less | 84 or less |
Kaufman assessment battery for children (K-ABC) | 69 or less | 77 or less | 84 or less |
Das- Naglieri cognitive assessment system (CAS) | 69 or less | 77 or less | 84 or less |
Woodcock-Johnson-Test of ((achicvcm ent)) cognitive abilities III, III-R, or IV | 69 or less | 77 or less | 84 or less |
Reynolds intellectual assessment scales, 2nd edition (RIAS 2) | 69 or less | 77 or less | 84 or less |
Assessment | Qualifying score at more than 2 standard deviations | Qualifying score at 1.5 or more standard deviations | Qualifying score more than 1 standard deviation |
Wechsler intelligence scales (WISC, WAIS, WNV) | 69 or less on the performanc e scale, or, on both the perceptual reasoning index and processing speed index | 77 or less on the performanc e scale, or, on both the perceptual reasoning index and the processing speed index | 84 or less on the performan ce scale, or, on both the perceptual reasoning index and he processing speed index |
Leiter international performance scale-revised (Leiter-R) | 69 or less | 77 or less | 84 or less |
Comprehens ive test of nonverbal intelligence (C-TONI) | 69 or less on full scale (NVIQ) | 77 or less on full scale (NVIQ) | 84 or less on full scale (NVIQ) |
Kaufman assessment battery for children (K-ABC) | Nonverbal scale index of 69 or less | Nonverbal scale index of 77 or less | Nonverbal scale index of 84 or less |
Wash. Admin. Code § 388-823-0720