Several Correlational Studies All Point to the Conclusion That Themore

Several correlational studies all point to the conclusion that themore time students spend playing violent video games, thelower their grade point average tends to be. This means that:

A) playing violent video games causes low grades.
B) low grades cause students to play violent video games.
C) the researchers have discovered a negative correlation between playing violent video games and grade point average.
D) the researchers have discovered a positive correlation between playing violent video games and grade point average.