No research has been conducted on PTSD manifestation in children with severe or moderate intellectual disability (SID; IQ 20-49) and no PTSD measurement instrument was available. This pilot explores the psychometric properties of a new diagnostic instrument to investigate trauma and to classify PTSD in children with SID. The Diagnostic Interview…

Background: Challenging behaviour is a common problem among people with ID and in services for people with ID. This paper aims to provide an overview of the views and preferences of people with ID on challenging behaviour. Method: Semi-structured interviews were conducted with thirteen adults with mild to moderate ID and seven proxies (family or…

Background: Staff-client relationships impact the quality of support and life of people with severe to profound intellectual disabilities and challenging behavior, but are challenging to build due to clients' intense, complex and varying support needs. The present study explores the perspectives of professionals and relatives on what affects these…

Introduction: Little is known about the effects of specific behavioral strategies to reduce stereotypy and self-injury for learners with sensory impairments and additional disabilities. Method: A single-subject, multi-treatment withdrawal design was used to test the isolated and combined effects of physical prompting to engage in object…

Adolescents with intellectual disability (ID) engage in risky behavior and offending. However, little is known on the impact school-related predictors have on engagement in risky behaviors for adolescents with ID. This study analyzed secondary data from the National Longitudinal Transition Study-2 (NLTS2) to determine levels of engagement in risky…

In response to two calls for continued research focused on PBIS and students with extensive support needs, researchers from the TIES Center and Center on PBIS conducted this literature review to summarize the current literature. This report summarizes the characteristics of the literature and implications for practice and future research…

Introduction: Adults with complex needs and severe learning disability present as a serious management problem within the community. Restrictive interventions are often used to manage adults with these issues, even though best practice recommends the use of positive behaviour support. Positive behaviour support involves functional analysis, but it…

Secondary public education for students with severe disabilities offers some of the last opportunities for improved social/behavioral skills, activities of daily living, and cognitive/academic instruction. The problem is that thorough descriptions of self-contained classroom ecology and teachers' use of evidence-based strategies are limited.…

Background: In typical development, primarily contextual factors at the family level are clearly associated with child developmental outcomes. In contrast, knowledge about the contextual factors influencing the developmental characteristics of children (0-12 years) with severe to profound intellectual disability is scarce. Method: Through…

Behavior-specific praise has been deemed an effective, evidence-based positive behavioral intervention and support practice for use among high school students with severe intellectual disabilities. However, teachers are not adequately trained to use such practices with fidelity. One way to address this shortcoming is by implementing a performance…

Background: A cohort of 11 patients with an intellectual disability and a psychiatric diagnosis present severe behavioural disorders in psychiatric hospital of Quebec in 2009. Control-measure use for this clientele has now been reduced. How do management personnel, families and care teams explain the changes? What clinical interventions did…

Background: The diagnosis of depression in severe and profound intellectual disability is challenging. Without adequate skills in verbal self-expression, standardized diagnostic criteria cannot be used with confidence. The purpose of this systematic review was to investigate the assessment and diagnosis of unipolar depression in severe and…

Background: Prevalence rates of challenging behaviour are high in children and adults with profound intellectual and multiple disabilities (PIMD). Moreover, many of these behaviours are observed daily. Direct support staff report that most challenging behaviour identified has little impact on the person with PIMD and attribute challenging…