PDFWAC 388-828-4000

What is the supports intensity scale (SIS) assessment?

The supports intensity scale assessment is a standardized tool developed by the American Association on Intellectual and Developmental Disabilities (AAIDD), to measure the relative intensity of support needs for persons age sixteen and older.
[Statutory Authority: RCW 71A.12.030 and Title 71A RCW. WSR 07-10-029, § 388-828-4000, filed 4/23/07, effective 6/1/07.]