Many critics worry about violence on television, most out of fear that it stimulates viewers to violent or aggressive acts. Our research, however, indicates that the consequences of experiencing TV’s symbolic world of violence may be much more far-reaching.we feel that television dramatically demonstrates the power of authority in our society, and the risks involved in breaking society’s rules. Violence-filled programs show who gets away with what, and against whom. It teaches the role of victim, and the acceptance of violence as a social reality we must learn to live with or flee from.We have found that people who watch a lot of TV see the real world as more dangerous and frightening than those who watch very little. Heavy viewers are less trustful of their fellow citizens, and more fearful of the real world.Since most TV "action-adventure" dramas occur in urban settings, the fear they inspire may contribute to the current flight of the middle class from our cities. The fear may also bring in creasing demands for police protection, and election of law-and-order politicians.Those who doubt TV’s influence might consider the impact of the automobile on American society. When the automobile burst upon the dusty highways about the turn of the century, most Americans saw it as a horseless carriage, not as a prime mover of a new way of life. Similarly, those of us who grew up before television tend to think of it as just another medium in a series of 20th-century mass-communications systems, such as movies and radios. But it is not just another medium. What’s the difference between heavy TV viewers and less heavy ones（）