Troy, John Joseph2017-04-202017-04-2019481948b146789987823140https://hdl.handle.net/2144/21609Thesis (Ed.M.)--Boston University, 1948. This item was digitized by the Internet Archive.en-USBased on investigation of the BU Libraries' staff, this work is free of known copyright restrictionsA study of peak performances in relation to practice periodsThesis/Dissertation