Excerpt from Child Behavior: A Critical and Experimental Study of Young Children by the Method, of Conditioned Reflexes On the other extreme of the age-limits of childhood we have the child of the pre-school age. Here the term Child Study is generally used whether or no the prob lem attacked is a psychological one. In view of the tremendous development of intellect that occurs in this period and considering the large number of studies of such development that have already been made, it seems logical to use the term Psychology in distinguishing these studies from investigations dealing with physical development, social reactions, and sense functioning, despite the fact that there are necessary correlations which must be considered. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.