In research on language development by bilingual children, the early language environment is commonly characterized in terms of the relative amount of exposure a child gets to each language based on parent report. Little is known about how absolute measures of child-directed speech in two languages relate to language growth. In this study of…

The early twenty-first century has seen increased attention to developing young children's social-emotional skills and competencies in preschool programs, including Head Start--the largest federally funded early-childhood education program in the United States. At the same time, there has been greater recognition of the importance of adapting…

Evaluation of parent-directed, intensive early intervention using trained paraprofessional therapists with six children with pervasive developmental disorder found five children rapidly acquired skills when treatment began, but only two clearly improved on standardized tests at the 2-3 year follow-up. However, parents reported high satisfaction…