Speidel, Elizabeth Burke2017-06-202017-06-2019581958b1464065xhttps://hdl.handle.net/2144/22523Thesis (Ed.D.)--Boston University.The general purpose of the study was to discover the variations in language abilities and the specific nature of strengths and weaknesses among these abilities as found among children in classes for the mentally retarded. Listening comprehension, various reading abilities, and abilities in speech and writing were to be studied in order to discover leads for current education and for the building of remedial programs.en-USBased on investigation of the BU Libraries' staff, this work is free of known copyright restrictions.Thesis/Dissertation