The purpose of the study was to compare the differential effects of response independent and response-dependent criteria used to determine when to increase to the next delay interval in the progressive time delay (PTD) procedure. An adapted alternating treatments design was used to evaluate the relative efficiency of three variations of the PTD…

Background: Previous research identifies organisational culture as one of a number of factors associated with the quality of life outcomes of group home residents' with intellectual and developmental disabilities. This study aims to elaborate on the dimensions of group home culture in settings in England. Method: Participant observations and…

Measurement invariance (MI) is a psychometric property of an instrument indicating the degree to which scores from an instrument are comparable across groups. In recent years, there has been a marked uptick in publications using MI in intellectual and developmental disability (IDD) samples. Our goal here is to provide an overview of why MI is…

Experiences of belonging are a basic human need (Baumeister & Leary, 1995), and the accessibility of belonging might look different for individuals labeled with Intellectual and Developmental Disabilities (IDD) due to historic and ongoing exclusion. This qualitative, participatory study explored how adults with intellectual and developmental…

Introduction: Although risk for suicide appears elevated in individuals with intellectual and developmental disorders (I/DD), few interventions or tools addressing suicide prevention have been adapted for this population. Among evidence-based interventions for preventing suicide, safety planning interventions are an effective and commonly employed…

The impact of long-term services and supports on the quality of life of adults with intellectual and developmental disabilities (IDD) is not well understood given the highly complex nature of researching this topic. To support future research addressing this topic, we conducted a systematic literature review of studies addressing outcomes of…

Inclusive research emphasizes the importance of researchers with intellectual and developmental disabilities playing active roles in all phases of research, including research and information dissemination. This article explores how contemporary literature and practical application of inclusive practices in the academic setting of a University…

Employment, social relationships, and autonomy are priorities to people with intellectual and developmental disabilities (IDDs). However, few validated measures exist to systematically assess these key adult outcomes in this population. This research includes first steps to develop self- and proxy report measures of life outcomes for adults with…

The current study examined the impact that the COVID-19 pandemic and resulting restrictions have had on individuals with intellectual and developmental disability. Semi-structured focus groups were conducted to collect data from participants who attended day programming by local community agency. Results indicate that the COVID-19 pandemic and its…

Inclusive research combines the expertise of academically trained researchers with the lived experience of individuals with disabilities to render results that are more accessible, accountable, and meaningful to the disability community. In this case study, adults with intellectual and developmental disabilities (IDD) contributed as co-researchers…

Meaningful progress in improving employment outcomes for people with intellectual and developmental disabilities continues to be elusive, despite 40 years of investment in research, policy, and supports. This article reviews the current state of employment for individuals with intellectual and developmental disabilities (IDD) and describes policy,…

Background: Assistive technology (AT) has been successfully used by researchers and practitioners to increase task completion and independence in work and home environments for individuals with intellectual and developmental disabilities. While prior research has shown increased outcomes of incorporating AT into daily tasks, research has also…

The current study examines the efficacy of an 8-week pretend play intervention targeting social-cognitive abilities in children with Prader-Willi syndrome (PWS), ages 6-9. PWS is a rare disorder associated with various social, emotional, and cognitive challenges linked to pretend play impairments, and for which interventions are sparse. Nineteen…

Background: To build capacity among people with intellectual and developmental disabilities to become co-researchers they need the opportunity to learn about research. Method: An inclusive research team developed an online training to support people with intellectual and developmental disabilities to serve as co-researchers. Seven participants…

Background: Rates of death and avoidable deaths are reportedly higher among people with intellectual and developmental disabilities. This study contributes to our understanding of how mortality and intellectual and development disabilities are associated. Method: General population and intellectual and developmental disabilities adult cohorts were…