Using qualitative methods to guide scale development for anxiety in youth with autism spectrum disorder.

Anxiety is common in youth with autism spectrum disorder. Despite this common co-occurrence, studies targeting anxiety in this population are hindered by the under-developed state of measures in youth with autism spectrum disorder. Content validity (the extent to which an instrument measures the domain of interest) and an instrument's relevance to the patient population are key components of measurement development.

Effect of parent training vs parent education on behavioral problems in children with autism spectrum disorder: a randomized clinical trial.

Importance: Disruptive behavior is common in children with autism spectrum disorder. Behavioral interventions are used to treat disruptive behavior but have not been evaluated in large-scale randomized trials.

Objective: To evaluate the efficacy of parent training for children with autism spectrum disorder and disruptive behavior.