Do videogames really harm your child? here is a study User d_dymon, in the r/gaming subreddit, 04 Jun 2015
A 2013 longitudinal study on 11,000 kids shows that games don't impact children's psychological adjustment User MSMPlan, in the KotakuInAction: The almost-official GamerGate subreddit! subreddit, 05 Apr 2015
Longitudinal study into effects of TV and games on children's behaviour User jasonreich, in the York Reading Club subreddit, 13 Jan 2014