Daly, Lilia Catherine2012-11-202012-11-2019501950b1471695https://hdl.handle.net/2144/4430Thesis (Ed. M.)--Boston University, 1950en-USBased on investigation of the BU Libraries' staff, this work is free of known copyright restrictionsAn evaluation of the effectiveness of exercises for teaching classification skills in grade 1Thesis/Dissertation