Johns, Eugene H.2017-01-052017-01-0519601960b14643686https://hdl.handle.net/2144/19792Thesis (Ed.D.)--Boston Universityen-USBased on investigation of the BU Libraries' staff, this work is free of known copyright restrictions.An experimental test of the Lashley hypothesis of selective attention and its relationship to the continuity-discontinuity issue in discrimination learningThesis/Dissertation