Spanking and violence

Countries that ban spanking tend to have kids who are less violent: https://www.usatoday.com/story/life/allthemoms/2018/10/29/countries-ban-spanking-have-kids-who-less-violent/1809639002/

Updated meta-analysis confirms playing violent games increases the risk of aggression, violence, and desensitization, and decreases empathy: http://psycnet.apa.org/index.cfm?fa=buy.optionToBuy&id=2017-07146-003

The current issue of Psychology of Popular Media Culture explores the effects of playing video games from numerous perspectives: http://psycnet.apa.org/index.cfm?fa=browsePA.volumes&jcode=ppm  

After a substantial review of the current research the American Psychological Association had determined that the research suggests a link between playing violent video games and increased aggression. No link was found between playing such games and criminal violence and aggression. They stated that it may not be as simple as playing violent games leading […]

Research suggests that there is no connection between video game violence and actual real aggressive behavior: http://www.stetson.edu/today/2015/06/digital-poison-stetson-researcher-finds-violent-video-games-have-minimal-influence-on-youth/ Although another study suggests that too much time in any sedentary activity, including video games,  is correlated with higher levels of anxiety: http://bigthink.com/ideafeed/sitting-down-associated-with-an-increase-in-anxiety   http://www.upworthy.com/a-new-study-reveals-the-impact-that-violent-video-games-actually-have-on-your-brain?c=ufb1