The Language Development of the Preschool Child

This important monograph on the language development of the preschool child is one of a series of valuable books appearing under the auspices of the Institute of Child Welfare of the University of Minnesota. The reviewer is in hearty agreement with the opinion expressed in the foreword written by John E. Anderson, Director of the Institute, that this monograph stands out as one of the best studies of the development of language. He says further that "previous studies of the development of language in early childhood, have, as a rule, been concerned with one or two children or with selected groups. In the study that is here presented, Dr. McCarthy has taken unusual precautions to secure a group representative of the general population by selecting her children within each age level on the basis of socio-economic status. Further control has been secured by obtaining an equal number of responses for