To what extent do you agree that video games have a positive effect on people?

on OneSearch] Griffiths, M. (2005). Video games and health: Video gaming is safe for most players and can be useful in health care. BMJ : British Medical Journal, 331(7509), 122–123 [online]. Available from: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC558687/ [Accessed on 27 January 2017]. Hollingdale, J., & Greitemeyer, T. (2014). The effect of online violent video games on levels of aggression.