During a test in class, all the first graders sit quietly and work on their tests, and their personal dispositions do not differentiate one child from another. However, at recess, those children who are extraverts tend to play games with others, while those children who are introverts may watch the others or play quietly by themselves. According to Mischel's theory of personality, personal dispositions are more important in situations such as recess than in situations such as test-taking.