Research Findings: This study compared the effects of content-based shared book-reading instruction versus an explicit vocabulary-only condition on the vocabulary development of preschool dual language learners (DLLs). Using shared book reading as the mode of instruction, we randomly assigned 48 bilingual preschool teachers and 281…

Compared a classroom-based early intervention program for disabled children and the same program with a parent training-support component. Found a small, immediate effect on child and family functioning and a long-term positive effect on child educational placement and teacher perceptions of child functioning, in favor of the parent involvement…

Compared outcomes for visually impaired children and their families in two early intervention programs: a weekly, home-based program treating children and a program of monthly meetings for parents. Found that the more expensive, weekly program had negligible effects on child and family functioning. (BCY)

Compared cost effectiveness of an in-hospital intervention approach for medically fragile infants and a traditional approach of postdischarge referrals. Found that the in-hospital approach resulted in five times as many hours of intervention services for infants and cost three times as much as the referral approach, with few differences in effects…