Research indicates that playing a prosocial video game tends to increase prosocial behaviors (Greitemeyer & Osswald, 2010). In a similar experiment, participants were assigned to play a prosocial, a violent (antisocial), or a neutral video game. Near the end of each session, the experimenter accidentally spilled a box of pencils on the floor and then recorded whether the participant stopped to help pick them up. The data are as follows:

Do the data indicate a significant relationship between the type of game played and helping behavior? Test with a = .05.

Prosocial Violent Neutral 12 27 Helped Did not Help 18 15 15 15