Examination of 53 children with autism supported the validity of the subtypes "aloof" and "active-but-odd" as predictors of behavior across language/communication, reciprocal social interaction, and stereotyped behavior/restricted interest domains. Partial support for an intermediate, "passive" subtype was garnered. (Author/JDD)

This investigation used data from the 28-year-old New York Longitudinal Study to examine the relationship between various negative emotional and behavioral characteristics (e.g., aggression, anxiety, undercompliance, depressive mood) and adjustment. A total of 133 white, middle-class children were rated on these negative characteristics from…

Previous research on friendship selection has failed to focus on how the selection process changes with age or in differently organized environments. This review of the literature takes a life-course perspective on the selection of friends, charting research results on three aspects of the selection process: (1) the number of friends and their…

The early development of self-injurious behavior (SIB) in 16 young children with developmental disabilities was tracked over an 18-month period. Naturalistic observations in each child's classroom found a significant association between early SIB and low levels of social contact, which may be considered as a risk marker for SIB exacerbation.…

This study examined the relationship among language proficiency, behavior problems, and other areas of development in 36 children (ages 36 to 40 months). A strong association was found between deficiencies in both expressive and receptive language and behavioral difficulties. Specifically, deficits in expressive language at age 2 were more…

Social incompetence is a significant cause of postsecondary maladjustment for the learning disabled. The literature is reviewed on factors critical to occupational success; social development of the learning disabled; major social incompetencies (specifically, social perception and problem solving, task-related social behaviors, and social…

With over half the nation's infants and toddlers in regular, non-parental child care, the quality of that care is a priority concern for policymakers. Many studies show that high-quality child care supports the positive social, emotional, and cognitive development of young children. The research summarized in this policy brief identifies factors…

This study uses data from the Early Childhood Longitudinal Study, Kindergarten Class of 1998-1999 (ECLS-K) to examine how children's skills and knowledge at kindergarten entry predict their achievement in later grades. It extends previous research by examining longer-term achievement outcomes, namely test scores at the end of fifth grade, and…