The Minneapolis Infant Welfare Society was organized in 1910. A special department for preschool children was inaugurated ten years later. From the beginning, in the preschool clinics the child was viewed not merely from the physical, but also, and especially, from the mental and emotional side, with the hope of proving that many of the behavior problems in children can be prevented by early training.
As a result of eight years of experience, habit training was gradually extended to the infant clinics. As a corollary, the upper age limits of infants were increased to 3 and then to 4 years. A "progress chart" of the infant's mental development and habit formation is kept from the twelfth month to the fourth year; if any difficult problem arises, the case is turned over to the preschool department for more intensive study. On the diet card for each month are presented suggestions for
HUENEKENS EJ. MENTAL HYGIENE FROM A PEDIATRIC STANDPOINTA STUDY OF FOUR HUNDRED CASES IN A PRESCHOOL CLINIC. Am J Dis Child. 1929;38(4):824-828. doi:10.1001/archpedi.1929.01930100144016