When recommending a program to achieve objectives such as improving learning outcomes for middle school students, school psychologists need information about cost-effectiveness to identify the best fit for student needs and school budgets. However, few cost studies of evidence-based instructional programs exist. We compared the cost-effectiveness…

Although research provides ample evidence of teaching methods that facilitate students' learning of specific word meanings, the potential of instruction to impact students' general vocabulary knowledge has remained an unanswered question. This article reports on a three-year formative experiment that developed, implemented, and tested a long-term,…

This study reports the effects of a distributed professional development model emphasizing reading comprehension and vocabulary practices in social studies on the content knowledge, vocabulary, and reading comprehension outcomes of upper elementary students identified as English learners (ELs). Schools were randomly assigned to one of three…

This study reports the effects of a distributed professional development model emphasizing reading comprehension and vocabulary practices in social studies on the content knowledge, vocabulary, and reading comprehension outcomes of upper elementary students identified as English learners (ELs). Schools were randomly assigned to one of three…

This study examined the differential effects of Strategies for Reading Informational Text and Vocabulary Effectively (STRIVE) on the vocabulary, reading comprehension, and content learning among 4,757 fourth-grade students with and without disabilities. Schools were assigned to one of three conditions: researcher-supported professional development…

This study examined the differential effects of Strategies for Reading Informational Text and Vocabulary Effectively (STRIVE) on the vocabulary, reading comprehension, and content learning among 4,757 fourth-grade students with and without disabilities. Schools were assigned to one of three conditions: researcher-supported professional development…

The Universal Literacy initiative's goal is to have all students reading on grade level by the end of the second grade, by 2026. The initiative takes a research-based, capacity-building approach by training educators to become Reading Coaches, who work with K-2 teachers individually and in groups on how to effectively teach children to read.…

This study evaluated the efficacy of the Word Learning Strategies (WLS) supplementary program designed to develop upper-elementary students' vocabulary skills in order to improve reading comprehension. The study used a true, group-randomized, experimental design, which randomly assigned 46 4th grade classrooms (n=1324 students) from 12 districts…

This study evaluated the efficacy of the Word Learning Strategies (WLS) supplementary program to improve elementary students' vocabulary skills and reading comprehension. The study used a multi-site cluster randomized, experimental design, which randomly assigned 92 4th grade classrooms (n=2558 students) from two cohorts to a treatment or control…

This article presents findings from an intervention across sixth and seventh grades to teach academic words to middle school students. The goals included investigating a progression of outcomes from word knowledge to comprehension and investigating the processes students use in establishing word meaning. Participants in Year 1 were two sixth-grade…

This study examines the interaction between the fidelity of implementation of a set of research-based strategies--Collaborative Strategic Reading (CSR)--and outcomes for students with mild to moderate disabilities using data from two nonoverlapping studies in middle school language arts and reading classrooms (Study 1) and middle school social…

A 2-year, randomized control trial with 9th to 10th grade students with significant reading problems was provided for 50 minutes a day in small groups. Comparison students were provided an elective class and treatment students the reading intervention. Students were identified as demonstrating reading difficulties through failure on their state…

Collaborative Strategic Reading (CSR) is a set of research-based strategies designed to improve reading comprehension, enhance students' content area learning, facilitate access to higher-level texts, and to promote student engagement. The present study examines how fidelity of implementation of CSR is associated with reading outcomes for students…

We conducted a randomized field trial to test an academic vocabulary intervention designed to bolster the language and literacy skills of linguistically diverse sixth-grade students (N = 2,082; n = 1,469 from a home where English is not the primary language), many demonstrating low achievement, enrolled in 14 urban middle schools. The 20-week…

We conducted a randomized field trial to test an academic vocabulary intervention designed to bolster the language and literacy skills of linguistically diverse sixth-grade students (N = 2082; n = 1469 from a home where English is not the primary language), many demonstrating low achievement, enrolled in 14 urban middle schools. The 20-week…