Background: Individuals with intellectual disabilities are as vulnerable to depression as their typically developing peers. This study aimed to verify the reliability and validity of the Center for Epidemiologic Studies Depression Scale (CES-D) in individuals with intellectual disabilities and determine whether the scale is appropriate for…

Previous work has focused on positive feelings of mattering, which pertain to the human need to feel significant. In the current article, we examine a complementary yet distinct construct involving feelings of not mattering that may arise from being marginalized and experiences that heighten a sense of being insignificant to others. We also…