human violence. Fewer than 2% of the adolescents preferred games with educational content. The study found that approximately 36% of male students played video games at home for 1 to 2 hours per week; 29% played 3 to 6 hours; and 12 percent did not play at all. Among female students who played video games at home, approximately 42% played 1 to 2 hours and 15% played 3 to 6 hours per week. Nearly 37% of females did not play any video games. The balance of subjects played more than 6 hours per week. Results also indicated that 38% of males and 16% of females played 1 to 2 hours of video games per week in arcades; and that 53% of males and 81% of females did not play video games in arcades. Rating Video Game Violence Ratings of video game violence have developed as an extension of ratings of television violence. Among those organizations that have attempted to rate television violence, the National Coalition on Television Violence (NCTV) has also developed a system to rate the violent content of video games. The NCTV system contains ratings that range from XUnfit and XV (highly violent) to PG and G ratings. Between summer and Christmas of 1989, NCTV surveyed 176 Nintendo video games. Among the games surveyed, 11.4% received the XUnfit rating. Another 44.3% and 15.3% received the other violent ratings of XV and RV, respectively. A total of 20% of games received a PG or G rating. The Sega company, which manufactures video games, has developed a system for rating its own games as appropriate for general, mature, or adult audiences, which it would like to see adopted by the video game industry as a whole. The Nintendo company, in rating its games, follows standards modeled on the system used by the Motion Picture Association of America. A problem shared by those who rate violence in television and video games is that the definition of violence is necessarily subjective. Given this subjectivity, raters have attempted to assess antisocial viole...