Major's groundbreaking work in child psychology offers a fresh and insightful perspective on the earliest stages of human development. Through a series of case studies and experiments, he explores the complex interplay between nature and nurture in shaping the infant mind. With its innovative research methods, clear and accessible writing style, and timeless relevance to our understanding of human psychology, it is a must-read for anyone interested in the science of child development or seeking to improve their own parenting skills. This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.