People who are heavy tv watchers (more than five hours per day) are more likely to overestimate the extent to which society is violent and the probability that they themselves will be victims of crime. this is due to

The correct answer is agenda control.

Agenda control refers to phenomenon whereby the media (television, newspapers, movies, magazines, etc.) shapes and influences people's thoughts and perceptions of the world. This occurs as a result of over reporting topics such as crime, terrorism, corruption, etc., while under reporting other prevalent occurrences in society. By selectively providing information to consumers, the media influences the public's opinions and perceptions. 

Ghana, first of the great medieval trading empires of western africa (fl. 7th–13th century). it was situated between the sahara and the headwaters of the sénégal and niger rivers, in an area that now comprises southeastern mauritania and part of mali.