Single case experimental designs : strategies for studying behavior change / David H. Barlow, Michael Hersen ; with invited chapters by Donald P. Hartmann and Alan E. Kazdin. Barlow, David H. Hersen, Michel. Hartmann, Donald P. Kazdin, Alan E. Psychology Research. Experimental design. Single subject research. 150.1943 BAS Includes bibliographical references (p. 324-404) and indexes. Boston : Allyn and Bacon, c1984. c1984. 1984 Text x, 419 p. : eng