The correct answer to this open question is the following.
Although there were no options attached, we can say the following.
The conclusion we can draw from this study is that driving big cars may make us feel we have more power and we might speed or pay less attention to the road.
Indeed, many people who have big cars or trucks feel they are more powerful than others. Driving those big cars produces a sense of power that invites them to have unethical behavior and do illegal things. That is why they are prone to do something wrong. They feel overconfident and this factor can produce accidents. Furthermore, if they have drunk alcohol or are driving under the influence of a prohibited substance, the risk augments.