We estimated autism spectrum disorder (ASD) prevalence in 7-9 year-old children in 2015 using data from three nationwide health registry systems (Denmark, Finland, Iceland) and two French population-based regional registries. Prevalence ranged from 0.48% in South-East France to 3.13% in Iceland (South-West France: 0.73%, Finland: 0.77%, Denmark:…

Background: Adults with an intellectual disability (ID) have much lower rates of employment than their counterparts without intellectual disability, which increases their risk of poverty and social exclusion. Differential treatment of people with intellectual disability in welfare and training policies suggests an expectation they will be passive…

Background: Limited research has examined health and fitness indicators among individuals with different categories of intellectual disabilities (ID). The purpose of this brief report was to examine differences in health and physical fitness indicators among individuals with different levels of ID. Method: Individuals (n = 203) with mild,…

Provisions in the Higher Education Opportunity Act (HEOA), passed in 2008, make it possible for students with intellectual disability (ID) who demonstrate financial need to take advantage of some kinds of federal financial aid to help pay for college. The HEOA describes a new type of college program, called a Comprehensive Transition Program…

Executive functions (EF) are a collection of cognitive domains governing task initiation, motor planning, attention, and goal-oriented action. Difficulties with EF have marked impacts on adaptive living skills, learning outcomes, and quality of life for people with cognitive and psychosocial disabilities, as well as the broader population. While…

In 2008, Browder and colleagues published a meta-analysis on mathematics instruction for learners with significant cognitive disabilities and found that most skills taught to these students were only from two of the five strands recommended by the National Council for Teachers of Mathematics (i.e., Number and Operations, and Measurement). A review…

This study used longitudinal special education record data from a large urban southwestern U.S. school district to review classroom placements of students in Grades 5 to 9 educated in traditional public schools (N = 21,314). Results indicated that half of the students were educated primarily in general education classrooms (n = 10,658), 9% of…

Introduction: Individuals with Down syndrome (DS) and IDD have lower psychiatric disorders rates than other individuals with IDD, and more information is needed about possible unique mental health needs of this group. Method: De-identified intake data for individuals with IDD, 101 with DS (mean age 27) and 4,366 without DS (mean age 25) served in…

Discovery awareness (DA) is an approach to using video within structured meetings to help staff become more mindful, aware and interested in a client they are supporting who has intellectual disabilities and challenging behaviour. The objective was to evaluate whether, and how, DA is helpful for staff in both inpatient and community settings, and…

We report the effects of peer-mediated training as a performance improvement intervention on recording of well-body checks by classroom instructors at a specialized school for children and youth. The instructors were trained as peer mediators and then assumed performance monitoring responsibilities in the classroom. Compared to baseline phases in…

Attachment difficulties are associated with a range of adverse outcomes in mental health, and people with intellectual disabilities (IDs) may be at greater risk of experiencing difficulties in their attachment relationships. This review critically evaluated recent research measuring the prevalence of attachment difficulties in people with ID.…

Limited research exists on the effectiveness of in-person workshops to help parents talk about sexuality. This study utilizes a parallel mixed methods design to examine the impact of the "Home Based Adolescent Sexuality Education (B.A.S.E.) for Intellectual Disabilities" workshop with 26 parents of individuals with Down syndrome.…

Based on street-level bureaucracy, this study investigates the paraprofessional role and assignments in self-contained classrooms for students with intellectual disabilities in Sweden. The research design contains a mixed method approach using a digital questionnaire for paraprofessionals (N = 60) and semi-structured interviews with four special…

This inquiry investigates whether effective implementation of pedagogical actions closely associated with strong engagement and greater than expected learning gains in writing by typically developing students apply similarly to engagement and gains in writing by students with mild to moderate intellectual disabilities (ID). It was undertaken in…

Focusing on students with mild disabilities, this study aimed to examine the effect of STAR problem solving strategy on their a) solving change problems involving one-step addition and subtraction, b) maintaining their acquisition of solving change problems involving one-step addition and subtraction after 1, 3, and 5 weeks, c) generalizing their…