Many people now spend more screen time in front of their computers than in front of the television. In many ways, the Internet allows an even greater variety of options for viewing violence than television does, including violent videos, violent pictures, and hate-group websites (Donnerstein, 2011). It also allows people to create and distribute violent media themselves, and to bully others through email, instant messaging, or on social networking websites (Donnerstein, 2011). In a survey of European adolescents, one-third reported seeing violent or hateful content online (Livingstone & Haddon, 2009). Among U.S. youth, those who frequently visited violent websites were 5 times more likely to report engaging in violent behavior (Ybarra et al., 2008). The type of these studies are ………….. because ………………….
These are retrospective study because looks backwards and examines exposures to suspected risk or protection factors in relation to an outcome that is established at the start of the study.
Many people now spend more screen time in front of their computers than in front of...