Campbell, Donald Thomas 1916-1996 Experimental and quasi-experimental designs for research / Donald T. Campbell , Julian C. Stanley. - Chicago: R. McNally, [1966]. - ix, 84 p. : ill. ; 24 cm. "Originally appeared in N. L. Gage (editor), Handbook of research on teaching." Includes bibliographies and index. Subjects--Topical Terms: Experimental design Dewey Class. No.: 300.184