[example continued…] I’m interested in whether the playing…
I’m interested in whether the playing of prosocial video games in children influences helping behavior. To answer this question, I randomly assign children into 3 conditions: In Condition 1, children are given a prosocial video game to play (Prosocial Video Game condition), in Condition 2, children are given a violent video game to play (Violent video game condition), and in Condition 3, children are not given any video games to play (No video game condition). Afterwards, I measure their helping behavior. In this example, one of the conditions is