Objective: To review the research literature published within the past 10 y
ears regarding the impact of media on children and adolescents. Method: Med
ia categories researched with computer technology included television and m
ovies, rock music and music videos. advertising, video games, and computers
and the Internet. Results: Research prior to 1990 documented that children
learn behaviors and have their value systems shaped by media. Media resear
ch since has focused on content and viewing patterns. Conclusions: The prim
ary effects of media exposure are increased violent and aggressive behavior
, increased high-risk behaviors, including alcohol and tobacco use, and acc
elerated onset of sexual activity. The newer forms of media have not been a
dequately studied. but concern is warranted through the logical extension o
f earlier research on other media forms and the amount of time the average
child spends with increasingly sophisticated media.