Murphy, Francis Eugene2017-12-062017-12-0619611961b14647795https://hdl.handle.net/2144/25817Thesis (Ed.D.)--Boston University.en-USBased on investigation of the BU Libraries' staff, this work is free of known copyright restrictions.Motion pictures in educationTeachingScienceMotion picturesScience educationThe relative effectiveness of filmed introductions to a general science motion pictureThesis/Dissertation