Historically, the psychology of infancy has had two sources of origin: one in speculative philosophy, the other in physiology. One may welcome any opportunity to emphasize the potential status of developmental psychology as a natural science in close association with the medical sciences.
THE SCIENTIFIC STUDY OF CHILD DEVELOPMENT
At the present time, the study of child development is in an interesting phase of transition, both in America and abroad. Centers of child research have sprung up in the past ten years at points as far flung as Chicago, Iowa, New York, California, Geneva, Vienna and Moscow. The National Research Council in 1923 took the first steps toward the organization of a committee on child development for the promotion, correlation and integration of research relating to the growth of the child. The national research conferences sponsored by this committee have recognized and brought together such varied interests as biochemistry, developmental