Over the past decade, parents have asked us many questions about temperament. Those frequently asked are listed below. Click on any question to go to our response. To keep this section dynamic and interactive, use our e-mail address to comment on these answers or ask further questions. What is temperament? Why is temperament important? Where did concepts of temperament originate? What are the major areas of temperament? How early in life does temperament appear? Are temperament traits "good" or "bad"? Are temperament concepts sometimes damaging? How does temperament differ from diagnoses like Hyperactivity, ADHD, or ADD? Do we measure temperament or parents' perceptions of temperament? Are there sex differences in temperament? Does birth order affect temperament?