Leon, Forrest F.2017-04-202017-04-2019491949b147491057889911https://hdl.handle.net/2144/21349Thesis (Ed.M.)--Boston University, 1949. This item was digitized by the Internet Archive.en-USBased on investigation of the BU Libraries' staff, this work is free of known copyright restrictionsAn analysis of thirty-eight fourth, fifth, and sixth grades to discover how well teachers know which children are the leaders and which children are the isolates in their classesThesis/Dissertation