Fragile X syndrome (FXS) is characterized by both social approach and social avoidance. However, the age of emergence and developmental trajectory of social avoidance has not been examined. This study investigates the longitudinal developmental trajectory and dynamic nature of social avoidance in males with FXS from infancy through young adulthood…

We explored possible cognitive, behavioral, emotional, and physiological risk markers for sleep disturbance in children with autism spectrum disorders. Data from 1,583 children in the Autism Treatment Network were analyzed. Approximately 45 potential predictors were analyzed using hierarchical regression modeling. As medication could confound…

While both positive and negative peer interactions have long been a focus of scientific interest, much less attention has been given to children who tend to refrain from interacting with peers. This volume brings together leading authorities to review progress in understanding the development, causes, and consequences of shyness and social…

Perfectionism, which the author defines as beliefs and behaviors associated with high expectations for one's performance, is not necessarily detrimental. Many successful people demonstrate perfectionism that the author labels "functional." They set goals that are attainable, based on realistic self-knowledge. When planning a new venture they focus…

Evaluates a family-based treatment for childhood anxiety. Children (N=79) with separation anxiety, overanxious disorder or social phobia were randomly allocated to three treatment conditions: cognitive-behavioral therapy (CBT), CBT and family management, or a waiting list. Indicated 69.8% of the children no longer fulfilled diagnostic criteria for…