Sherif, Muzafer Social judgment : assimilation and contrast effects in communication and attitude change / Muzafer Sherif & Carl I. Hovland - New Haven : Yale University Press , 1961 - 218p. : ill. ; 19 cm. - Yale studies in attitude and communication, v. 4. . Includes bibliographical references and index. Subjects--Topical Terms: Attitude changeCommunicationJudgement Dewey Class. No.: 301.1 / SHE