A tenet of the Multi-Tiered System of Supports (MTSS) is that even evidence-based interventions will not be effective with all children. We examined preschool children's response to a supplemental literacy intervention ("Story Friends") in two classrooms. Children with weak vocabulary skills were identified and received the intervention.…

Dual language learners make up an increasing share of preschool students, but they often perform worse than monolingual students on assessments measuring school achievement. This study compares Head Start classrooms implementing either the dual language model or the English with home language support model. The author examines how the models…

This quasi-experimental study examined expressive vocabulary outcomes for Parent-Child Home Program (PCHP) toddlers, after one year of home-visiting services. First, this study applied Rasch modelling to establish the construct validity and reliability of a widely used expressive vocabulary measure, as modified for a sample of ethnic and…