Hogan, Irene Marie2015-03-102015-03-1019521952b14693847https://hdl.handle.net/2144/10658Thesis (Ed.M.)--Boston Universityen-USBased on investigation of the BU Libraries' staff, this work is free of known copyright restrictions.The construction and analysis of tests in visual and auditory discrimination for grades four, five and six.Thesis/Dissertation