The Development of Children’s Concepts of Causal RelationsThe Development of Childrens Concepts of Causal Relations was first published in 1937. 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. This is a report of group tests administered to 732 school children between 8 and 16 years of age, in grades 3 to 8. The children were asked to explain 11 scientific