Introduction to the scientific study of education, Charles Hubbard Judd 56903 [Link: http://www.gutenberg.org/5/6/9/0/56903 ] [Files: ; 56903-0.txt; 56903-h.htm] Thanks to MWS, Adrian Mastronardi, Les Galloway and the Online Distributed Proofreading Team at http://www.pgdp.net (This file was produced from images generously made available by The Internet Archive/Canadian Libraries) Regards, Al