Nichols, Augusta Matilda2016-10-312016-10-3119471947b14623754(OCoLC)7778781https://hdl.handle.net/2144/18790Thesis (Ed.D.)--Boston University. This item was digitized by the Internet Archive.en-USBased on investigation of the BU Libraries' staff, this work is free of known copyright restrictionsConstruction and use of a group test for the analysis of spelling difficultiesThesis/Dissertation