The Development of Linguistic Skill in Twins, Singletons with Siblings, and Only Children from Age Five to Ten Years was first published in 1937.This book constitutes a detailed analysis of 50 remarks obtained under a standardized situation from each of 436 children between the ages of 5 1/2 and 9 1/2 years.The investigation in no sense duplicates former ones. It deals with children of school age and consequently emphasizes such phases of language development as the use of complex sentences and slang and grammatical errors. The connection between good articulation and the development of language ability is stressed.

Parent Education: A Survey of the Minnesota Program was first published in 1939. Minnesota Archive Editions uses digital technology to make long-unavailable books once again accessible, and are published unaltered from the original University of Minnesota Press editions.Institute of Child Welfare Monograph Series, Number 17The University of Minnesota Child Welfare Institute surveys its program in this volume, which describes the organization and development of its study groups and makes a thoroughgoing analysis of the amount and type of information on child training acquired by 23,000 parents who attended classes in cities and rural communities throughout the state over a period of six years.The effect of attendance at the study groups was measured by tests administered before and after instruction, recording changes in the mothers’ attitudes toward various behavior traits – delinquent, neurotic, and personal-social – in boys and girls from five to fifteen years of age.From the group study records, and aided by their own long experience in parental education, the authors work out conclusions and suggestions that will be of value to psychologists and persons organizing or carrying on similar programs.