The Social Skills Improvement System Rating Scale (SSIS; Gresham & Elliott, 2008) is a standardized, norm-referenced _______ of students’ behavior, social skills, and academic competency.
(Excerpt from: Wanzek, Jeanne, Otaiba, Stephanie Al, Petscher, Yaacov, Lemons, Christopher J, Gesel, Samantha A, Fluhler, Sally, Donegan, Rachel E, & Rivas, Brenna K. (2021). Comparing the Effects of Reading Intervention Versus Reading and Mindset Intervention for Upper Elementary Students With Reading Difficulties. Journal of Learning Disabilities, 54(3), 203–220.)