This study is different from previous reports as follow. First, investigators separate the effect of cartoon distraction and parental presence on minimizing preoperative anxiety and determine whether an interaction between two different interventions is existent. Second, investigators evaluate the effect of preoperative anxiety on the long-term behavioral change of children. It was not clarified yet in clinical practice. Third, investigators evaluate the effect of each intervention on parental anxiety before and after induction of anesthesia.