Taking on the nature vs. nurture debate, Hart and Risley studied the daily lives of 1- and 2-year-old children in American families of all socioeconomic classes

This major new book describes the parent-child interactions of the language acquisition years, revealing differences in the experiences of one- and two-year-old

Based on data from 2-1/2 years of observing 1- and 2-year-old children learning to talk in their own homes, this book charts the month-by-month growth of the ch

This is the second edition of the practical, easy-to-read, research-based guidebook that shows professionals and parents how to talk to and play with young chil