Hovland, Carl Iver, et al. <br/><br/>
Experiments on mass communication 

 - New York:  Science Editions,  1965 
 - 345 p. 
<br/><br/> Film evaluation studies -- The orientation film, The Battle of Britain -- General implications derived from the orientation film experiments -- The Audiences Evaluations of Films -- Experimental comparison of alternative presentations -- Effects of films on men of different intellectual ability -- Short-time and long-time effects of an orientation film -- The effects of presenting "One side" versus "both sides" in changing opinions on a controversial subject -- The effect of an audience-paarticipation technique in film-strip presentation -- Summary and evaluation -- Measurement problems encountered. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aspectos sociales<br/>Aspectos políticos<br/>PSICOLOGIA SOCIAL<br/>Medios de comunicación de masas