We assessed 24-month-old infants' lexical processing efficiency for both novel and familiar words. Prior work documented that 19-month-olds successfully identify referents of familiar words (e.g., The dog is so little) as well as novel words whose meanings were informed only by the surrounding sentence (e.g., The vep is crying), but that the speed…

A gap exists in the literature regarding aggression in autism spectrum disorders and how this behavior compares to other groups. In this multisite study, the "Children's Scale for Hostility and Aggression: Reactive/Proactive" and the Aggression subscale of the "Child Behavior Checklist" were rated for 414 children with autism…

Children from low-income families are more likely than those from higher income families to have poor social, emotional, cognitive, behavioral, and health outcomes. One approach that has helped parents and their young children is home visiting, which provides information, resources, and support to expectant parents and families with young…

Smoking during pregnancy is a persistent public health problem that has been linked to later adverse outcomes. The neonatal period--the first month of life--carries substantial developmental change in regulatory skills and is the period when tobacco metabolites are cleared physiologically. Studies to date mostly have used cross-sectional designs…

The National Research Council emphasizes using tools of representation as an essential element of spatial thinking. However, it is debatable at what age the use of spatial representation for spatial thinking skills should begin. This study investigated whether young Korean children possess the potential to understand map-like representation using…

The purpose of this study was to survey and compare the characteristics and perceptions of randomly selected urban and suburban (N=20) secondary instrumental music teachers in the Chicago area. Descriptive analysis of the demographic data demonstrated the following: suburban participants had higher levels of educational attainment than their urban…

Over the past few decades, service-learning has surged in popularity. Although most programs are implemented in high school and college classrooms, service-learning has the potential for great impact in middle school. The present article evaluates a pilot service-learning program for fifth- and seventh-grade (N = 86) children in a large, urban,…

The present study examined the cognitive factors that influence children's physical science learning from a multimedia instruction. Using a causally coherent text and visual models, we taught 4th- and 7th-grade children about the observable and molecular properties of the three states of water. We manipulated whether the text was read by a tutor…

This study uses a unique, longitudinal statewide database to track students through the new teacher supply pipeline from high school through college and initial teacher certification. The report examines how each stage influences the characteristics of those who enter the teaching profession, with particular attention to academic skills and…

Network position ("isolate," "member," "liaison"), peer-group substance use, and their interaction were examined as predictors of cigarette, alcohol, and marijuana use in a sample of 163 urban sixth, seventh, and eighth graders. Two measures of peer substance use were compared: one based on social network analysis…