Technology Use and Rates of Cyberbullying Witnessed By Elementary School Aged Children.

First- through fifth- graders self-reported technology use, witnessed cyberbullying, and reactions to cyberbullying. Cyberbullying was witnessed most frequently on video sharing apps and video games. 62.6% reported witnessing cyberbullying, with rates increasing across age/grade, but not varying by gender. 81.7% reported intended or enacted positive bystander response to cyberbullying.