What should be changed to make the following sentence true? Research suggests that there are two dimensions of our temperament that are important parts of our adult personality: interactivity and self-regulation. The word "interactivity" should be replaced with the word "somatotypes." O The word "interactivity" should be changed to the word "reactivity." O The word "personality" should be changed to the word "self." O The word "self-regulation" should be changed to the word "reactivity."