00489nam a2200169Ia 4500082001700000100002100017245007400038260004000112300001000152650003600162650002100198650001600219650001800235650002200253700002200275700002200297  a302.15 HOV-;  aHovland, Carl I. 0aCommunication and persuasion: psychological studies of opinion change  aLondonbYale University Pressc1963  a315p.  aPsychology - Study and teaching  aSocial influence  aSocial role  aSocial change  aSocial psychology  aKelley, Harold H.  aJanis,  Irving L.