Over 50 years of research suggests that toilet training based on behavioral principles is effective for most individuals with intellectual and developmental disabilities (IDD). However, many adults with IDD are never effectively toilet trained. Lack of independent toileting is associated with detrimental physical, mental, and social experiences.…

Grounded in the biopsychosocial models of expressive language in autism spectrum disorder (ASD) and fragile X syndrome (FXS), this dissertation included two novel studies that examined the role of biological (i.e., physiology), psychological (i.e., autistic traits, anxiety symptoms, and child affect) and social (i.e., communication partner…

The number of people diagnosed with Alzheimer's disease (AD), a progressive and terminal kind of dementia, continues to rise with an estimated 14 million Americans affected by 2050. Prior to an AD diagnosis, many individuals are diagnosed with mild cognitive impairment (MCI) and have similar, but less severe, symptoms as those with AD. A common…

This study examined the difference between parents, teachers, and administrators' perspectives of intellectually disabled students' academic and social performance. The study's importance comes from the performance of students with exceptional needs who were unable to effectively communicate their social and emotional needs. The population…

In 2001 under No Child Left Behind, states were required to create an alternate assessment for students with significant cognitive disabilities using alternate achievement standards. In 2003, all states had created an alternate assessment. All fifty states independently developed, implemented, and revised their alternate assessments. By 2014,…

Recent changes to federal education laws for students with and without disabilities have kindled an increased interest in implementing evidence-based practices for teaching academic skills to all students, including students with severe disabilities and students learning English. Teaching students with significant disabilities who are learning…

The purpose of this study was to explore and to compare the programs at two Pennsylvania Universities for students with intellectual disabilities (ID). The study explored how each university began the program from idea to implementation, including why and when it was started. The first university in this study was a four-year private school that…

Along with the deinstitutionalization movement, supports for persons with Intellectual Disabilities (ID) have shifted to promotion of person-centered supports inclusive in the community. Although successes have occurred regarding physical inclusion, skill building and social inclusion have not fared as well for those with more significant…

Purpose: The purpose of this quantitative research was to examine what relationships, if any, exist between the independent variable of burnout and dependent variables of job satisfaction for special education teachers who work with students who have moderate to severe disabilities ages 5 to 22 in a Southern California school district.…

The purpose of the proposed quasi-experimental quantitative study was to determine if students who were taught in the inclusive setting yielded higher standardized test scores compared to students who were taught in the resource setting. The researcher analyzed the standardized test scores, in the areas of Language Arts, Reading, and Mathematics…