This study aimed to describe 1-year changes in students' vocabulary in written narratives. Secondary aims included examination of accuracy and the relationship between lexical diversity and achievement. Participants included 749 students in first through eighth grades. Within-subjects 1-year change in diversity, productivity, and accuracy was…

This study examined the longitudinal effects of an early literacy intervention in Kindergarten. A group of children completed reading and cognitive measures between Kindergarten (5-6 years old) and Grade 7 (12-13 years old). Our results showed that 22% of children were identified as at-risk for reading deficits in Kindergarten, but only 6% of…

This article presents empirical evidence challenging the received wisdom that a nonword-reading deficit is a characteristic trait of disabled readers. On the basis of 2 large-scale empirical studies using the reading-level match design, we argue that a nonword-reading deficit is the consequence of normal developmental differences in word-specific…

The acquisition of reading skill was studied in 503 Italian children in first to eighth grade using a task that required reading of lists of words and non-words. Analysis of the metric characteristics of the measures indicated that reading speed but not accuracy was normally distributed across all ages considered. The role of specific effects…

This facilitator's guide is designed to assist professional learning communities (PLCs) in applying evidence-based strategies to help K-8 English learners acquire the language and literacy skills needed to succeed academically. Through this collaborative learning experience, educators will expand their knowledge base as they read, discuss, share,…

These handouts, which are meant to accompany the facilitator's guide, are designed to assist professional learning communities (PLCs) in applying evidence-based strategies to help K-8 English learners acquire the language and literacy skills needed to succeed academically. The facilitator's guide uses a five-step process for collaborative…

The authors reviewed all peer-reviewed studies with participants from preschool to Grade 8 for this meta-analysis of morphological interventions. They identified 22 applicable studies. Instructional effects (Cohen's d) were averaged by linguistic outcome categories (morphological sublexical, non-morphological sublexical, lexical, and supralexical)…