Dr. Bates was a founding member of the Cognitive Science Department at University of California at San Diego (the first of its kind in the world), the Director of the federally-funded UCSD Project in Cognitive and Neural Development, a founding co-director of the innovative Joint Doctoral Program in Language and Communicative Disorders at San Diego State University and UCSD, and the Director of the Center for Research in Language and Professor of Cognitive Science at UCSD. With strengths in developmental psychology, linguistics, neurology, and cognitive science, she carried out many creative and influential collaborative studies on the interrelations among language acquisition, brain function, symbolic growth, and other key aspects of development. During her extensive career, she directed cross-linguistic studies on 4 continents and authored or co-authored 10 books and more than 200 scientific publications. Her work was interdisciplinary, influencing diverse fields such as neuroscience, linguistics, biology, psychology, computer science, and medicine.
Philip S. Dale, Ph.D., is Professor in Departments of Psychology, Linguistics, and Speech and Hearing Sciences at University of Washington. Dr. Dale's research interests include assessment of young children's language, language development in exceptional populations including linguistically precocious children, early language and cognition, and the effects of various models of intervention for young children with disabilities.
Larry Fenson, Ph.D., is Professor of Psychology at San Diego State University in California. Dr. Fenson has published research on infant attentiveness, early symbolic development, categorization, children's drawing skills, play, and early language development. He received his doctorate in child psychology from the University of Iowa. He served as Assistant Professor at the University of Denver and was a National Institute of Child Health and Human Development postdoctoral fellow with Jerome Kagan at Harvard University. Dr. Fenson is Chair of The CDI Advisory Board.
Virginia A. Marchman, Ph.D., is Associate Professor in School of Behavioral and Brain Sciences at the University of Texas at Dallas, Richardson, Texas. Dr. Marchman holds a master of arts degree and a doctorate in developmental psychology from the University of California, Berkeley. She has been an assistant professor at the University of Wisconsin, Madison, and a postdoctoral fellow at the Center for Research in Language at the University of California, San Diego. She has conducted research in several areas of language and cognitive development, language disorders, and early childhood development. Her most recent work focuses on the identification of precursors of language delay and individual differences in lexical and morphological development in monolingual English and bilingual (Spanish and English) speakers. She is on the editorial board of the Journal of Speech, Language, and Hearing Research and was named Distinguished Scholar at the Callier Center for Communication Disorders. Dr. Marchman has worked on the MacArthur Communicative Development Inventories and the MacArthur Inventarios del Desarrollo de Habilidades Comunicativas for the last 15 years. She is author of the CDI Scoring Program.
J. Steven Reznick, Ph.D., is an affiliate of the Department of Psychology at the University of North Carolina at Chapel Hill.
Donna J. Thal, Ph.D., holds a master of science degree in speech pathology and audiology from Brooklyn College and a doctorate in speech and hearing sciences from the Graduate School and University Center of the City University of New York (CUNY). She has been a postdoctoral fellow at the Center for Research in Language at UCSD, an assistant professor at Hofstra University, and an assistant professor at Queens College of CUNY. Dr. Thal i