Universal public prekindergarten programs have been expanding in recent years, but not all eligible families apply to these programs, for reasons that are not well understood. Using two cohorts of students (N = 8,391) enrolled in Boston Public Schools, we use geographic information systems to combine administrative records with census data to…

Replicated a New York City study of completed suicides by persons 19 years old or younger, in metropolitan districts of Ohio, Texas and California, following broadcast of four fictional television films on suicide. Found the impact of movies varied by metropolitan area. Analyzed geographic differences in suicide response, emphasizing that…

This study presents the theories that contribute to what the author has called geolinguistics, a discipline that deals with the external fate of languages as they are distributed over the face of the globe. Such a study is relevant in terms of official language planning when legislators seek to impose a given language on people of varied…