The role of early childhood mastery motivation as a predictor of executive function 20 years later was examined in a sample of 39 individuals who had early diagnosed developmental disabilities. Multilevel modeling was used to analyze predictors of accuracy and response time on a Flanker task measuring executive function. As predicted, participants…

The purpose of this study was to examine the effect of supported employment intervention on the employment outcomes of transition-age youth with intellectual and developmental disabilities served by the public vocational rehabilitation system using a case-control study design. Data for this study were extracted from the Rehabilitation Services…

Social avoidance and anxiety are prevalent in fragile X syndrome (FXS) and are potentially mediated by the amygdala, a brain region critical for social behavior. Unfortunately, functional brain resonance imaging investigation of the amygdala in FXS is limited by the difficulties experienced by intellectually impaired and anxious participants. We…

This article describes and investigates initial findings from the Esperanza Mental Health Services (EMHS) Program, which is an intensive outpatient program that provides individual and group mental health services for students with "dual diagnosis" or developmental disabilities and co-occurring mental health problems. Previous research…

The years from 3 to 6 are a time when children develop fundamental movement skills that are the building blocks for the functional movements they use throughout their lives. By 6 years of age, a typically developing child will have in place a full range of movement skills, including, running, jumping, hopping, skipping, climbing, throwing,…

Although most of the students with intellectual and developmental disabilities have access to and some even have completed secondary education in Spain, there are few studies that deepen on the students' views about their educational experience. The research team consisted of university researchers and professionals from a non-governmental…

The impact of TASH over the next decade will be affected by decisions about the precision and consistency of the organization's messages to the field. TASH has long been the premier organization extending the voice of individuals with significant developmental disabilities. As TASH examines the themes that will be prominent in the coming years, we…

This multiple-study experiment evaluated the utility of assessing and treating severe self-injurious behavior (SIB) based on the outcomes of a functional analysis of precursor behavior. In Study 1, a precursor to SIB was identified using descriptive assessment and conditional probability analyses. In Study 2, a functional analysis of precursor…

Highly preferred stimuli were identified via two preference assessments (based on Fisher et al., 1992), the second of which included stimuli that were ranked low in the initial preference assessment. Following the preference assessments, a subset of stimuli was evaluated as reinforcers in single- and concurrent-operant arrangements. In general,…

Inappropriate verbal behavior that is labeled "psychotic" is often described as insensitive to environmental contingencies. The purpose of the current study was to establish different classes of rational or appropriate verbal behavior in a woman with developmental disabilities and evaluate the effects on her psychotic or aberrant vocal verbal…

As individuals with intellectual and developmental disabilities become more engaged in community employment, it will be critical to consider how their employment experience changes as they age. Similar to other seniors, individuals will need to consider whether they want to maintain their employment, reduce their work commitment, or retire…

Signals during delays to reinforcement may lessen reductions in responding that typically occur when there is a delay between a response and its reinforcer. Sparse applied research has been devoted to understanding the conditions under which responding may be maintained when delays to reinforcement are introduced. We evaluated the extent to which…

This study examined whether teaching in a community arts organization that provides services for people with developmental disabilities enabled preservice art teachers to better understand diverse contexts of art programs and the benefits of teaching the arts to others. Through this activity, the author also examined whether preservice art…

The Japanese government passed an anti-discrimination law, the Act on the Elimination of Disability Discrimination, in June 2013 (to be enforced April 2016) and ratified the Convention on the Rights of Persons with Disabilities (CRPD) in January 2014. Prior to ratification of the CRPD, the Japanese government had begun to construct an inclusive…

We evaluated a self-instructional training manual for conducting multiple-stimulus without replacement stimulus preference assessment. The manual was compared to a method description, adapted from the method sections of previous published research articles, in an unbalanced crossover design with 18 undergraduate university students, randomly…