Bertani, Peter A.2015-10-052015-10-0519571957b14861409https://hdl.handle.net/2144/13181Thesis (M.S.)--Boston Universityen-USBased on investigation of the BU Libraries' staff, this work is free of known copyright restrictions.A measurement of the teaching effectiveness of educational kinescopes in general science in the junior high school.Thesis/Dissertation