Hock, Roger R Forty studies that changed psychology : explorations into the history of psychological research / Roger R. Hock. - Second edition. - New Jersey : Prentice Hall, Inc., 1995. - xiii, 321 pages ; 22 cm Includes indexes. ISBN: 0-13-339896-X Subjects--Topical Terms: Psychology--History--20th century. Dewey Class. No.: F.P./Psych. 150 H685 1995