Zoi A. Philippakos, PhD, is Associate Professor of Reading and Elementary Education in the College of Education at the University of North Carolina at Charlotte. Her research interests include reading and writing instruction for students in the elementary grades, strategy instruction and self-regulation, and approaches to professional development for classroom teachers. A former elementary school teacher and literacy coach, Dr. Philippakos is coauthor of Differentiated Literacy Instruction in Grades 4 and 5 and Effective Read-Alouds for Early Literacy.

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Charles A. MacArthur, PhD, is Professor of Special Education and Literacy in the School of Education at the University of Delaware. A former special education teacher, Dr. MacArthur has been conducting research on writing development and instruction for struggling writers since the 1980s. He is currently principal investigator of a study that examines the efficacy of a writing curriculum for college basic writing courses. Other research projects have focused on the development of a writing curriculum for students with learning disabilities, writing strategy instruction, decoding instruction in adult education, speech recognition as a writing accommodation, project-based learning in social studies in inclusive classrooms, and first-grade writing instruction. Dr. MacArthur is coeditor of the Journal of Writing Research and serves on the editorial boards of several other journals. He has published over 100 articles and book chapters and is coeditor or coauthor of several books, including the Handbook of Writing Research, Second Edition; Best Practices in Writing Instruction, Third Edition; Developing Strategic Young Writers through Genre Instruction: Resources for Grades K–2; and Developing Strategic Writers through Genre Instruction: Resources for Grades 3–5.

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