We evaluated the long-term effects of a supplemental, small-group kindergarten vocabulary intervention in fall and spring of first grade and winter of second grade. Participants included students from two studies, an initial efficacy study and a subsequent replication study, identified as at risk for language and learning difficulties, who were…

This study investigated the effect of the digital Down Syndrome LanguagePlus (DSL+) intervention on vocabulary outcomes through a school-delivered randomized controlled trial. A national sample of first graders with Down syndrome from 91 schools was allocated to an intervention group (n = 50), which received daily intervention for 15 weeks, or a…

In this randomized trial study, the authors examined the efficacy of a practitioner partnership language intervention addressing oral language learning (expressive and receptive) in young language-minority learners from multiple-language groups in Norway. Resource teachers in 16 elementary schools implemented the intervention in the first and…

We examined growth trajectories of writing and the relation of children's socio-economic status, and language and/or speech impairment to the growth trajectories. First grade children (N = 304) were assessed on their written composition in the fall, winter, and spring, and their vocabulary and literacy skills in the fall. Children's SES had a…

This article reports on the development and preliminary implementation trials of a modular small-group intervention targeting syntax and vocabulary for children at high risk for reading comprehension difficulties in grades prekindergarten through first. The intervention, delivered by trained paraprofessionals, included 12 weeks of 20-minute…

Autism spectrum disorders (ASD) are associated with many different levels of language and social impairment, differences in levels of cognitive impairment, varying levels of aberrant behavior, and discrepancies in the presence or amount of restrictive and repetitive behavior. The heterogeneity found within the ASD population is coupled with…

This study examined the impact of a 15-min daily explicit vocabulary intervention in Spanish on expressive and receptive vocabulary knowledge and oral reading fluency in Spanish, and on language proficiency in English. Fifty Spanish-speaking English learners who received 90 min of Spanish reading instruction in an early transition model were…

We examined growth trajectories of writing and the relation of children's socioeconomic status and language and/or speech impairment to the growth trajectories. First-grade children (N = 304) were assessed on their written composition in the fall, winter, and spring, and their vocabulary and literacy skills in the fall. Children's SES had a…

This study evaluated the effects of Adapted Reciprocal Teaching (ART) on the receptive and expressive flight-word vocabulary of 1st-grade students. During ART, classroom interactions produced narrative contexts within which students assumed responsibility for applying new flight words in personally meaningful ways. Students in the control group…

The purposes of this study were to determine the effectiveness of a vocabulary intervention for first-grade students at risk for reading and language difficulties and to compare the results of a regression discontinuity design to those of an experimental design. The specific research questions were: (1) Do first-graders who are at risk of reading…

This study is the first randomized study of the impacts of the vocabulary instruction program Kindergarten PAVEd for Success (K-PAVE) (Hamilton and Schwanenflugel 2011) on low-income students in kindergarten and grade 1. The study has two components. The first component is a test of the impacts of one year of the K-PAVE vocabulary instruction in…