The Young Mania Rating Scale (YMRS), developed by Vincent E Ziegler, M.D., and popularized by Robert Young, is an eleven-item multiple choice diagnostic questionnaire which psychiatrists use to measure the severity of manic episodes in children and young adults. The scale was originally developed for use in the evaluation of adult patients with bipolar disorder, but has since been modified for use in pediatric patients. A similar scale was then developed to allow clinicians to interview parents about their children's symptoms, in order to ascertain a better diagnosis of mania in children. This parent version (P-YMRS) can be completed by a parent or a teacher to determine whether a child should receive further evaluation from a psychologist or psychiatrist. Clinical studies have demonstrate