two question

1. Does playing violent games or watching violent movies make people more violent?
Finding results and conclusions of psychological experiment related to this question.
Searching evidences and statistics that how those two factors influence people's emotions.

2. Does people from different culture have different aspects toward the same thing?
Datas and statistics about how cultures and traditions affect people's opinions and thought.
Finding examples and evidences of thoughts and ideas people from different countries toward the same event or the same social phenomenon.