Let's back to our example on distraction and use the following graphs to help interpret the main effects of reward, the main effects of distraction, and to see how they interact. In both graphs on the...Let's back to our example on distraction and use the following graphs to help interpret the main effects of reward, the main effects of distraction, and to see how they interact. In both graphs on the left of Figure \PageIndex1, the one really low bar or dot is when there is no reward and the participant was distracted. Figure \PageIndex2 is a bar chart that shows the means of the different conditions (levels of the IV).