Individuals who are dually diagnosed with Down Syndrome (DS) and autism spectrum disorders (ASD) frequently engage in vocal stereotypy that can interfere with learning, impede socially appropriate behavior, and disrupt others. Response interruption and redirection (RIRD) is an intervention that blocks and redirects stereotypy to reduce behavior.…

Social communication deficits present in some neurodevelopmental disorders, including autism spectrum disorder (ASD) and attention-deficit/hyperactivity disorder (ADHD), create challenges in social, academic, and adaptive functioning throughout the lifespan. Since the number of people diagnosed with ASD with comorbid ADHD is rising, it is…

I conducted two studies. First, I examined the applicability of discrete-trial functional analysis (DTFA) for identifying the function of problem behavior in three adults with a dual diagnosis of a significant intellectual disability and a mental illness. Results indicated clear patterns of problem behavior for each participant. Second, I used a…

The number of children diagnosed with pediatric bipolar disorder has increased 4,000% from 1994 to 2003. Researchers have identified the need for teachers' professional development in this area but have not specified what teachers need to know to effectively educate students. The problem addressed was this lack of clinical knowledge and…