Jeremy M. Anglin received his Ph.D. from Harvard University in 1970. He is associate professor of psychology and currently the chair of the Developmental Psychology Division at the University of Waterloo. His research interests include language acquisition and cognitive development. Several of his recent studies have focused on lexical, semantic, and conceptual development during childhood. He has previously been a consulting editor for the "Monographs of the Society for Research in Child Development" and has served on the editorial board of "Child Development," He is the author of "The Growth...