Young children often struggle to answer the question "what would have happened?" particularly in cases where the adult-like "correct" answer has the same outcome as the event that actually occurred. Previous work has assumed that children fail because they cannot engage in accurate counterfactual simulations. Children have…

Compared to unpaid leave, paid family leave may better help working parents balance the competing needs of job and family early in a child's life, among other advantages. Yet the United States remains one of only two countries in the world without a statutory national paid maternity leave policy, and one of the only high-income countries that…

Children face many important changes in the first eight years of life, including different learning centres, social groups, roles and expectations. Their ability to adapt to such a dynamic and evolving environment directly affects their sense of identity and status within their community over the short and long term. In particular, the key turning…

Volume 1 begins with the Commissioner of Education's introduction and includes state school-system statistics. Chapter I covers education in Canada, Australia, and New Zealand. Chapter II presents children's growth statistics collected in Worcester, Mass., Toronto, Ontario, and Milwaukee. Chapter III addresses German university pension and…