On what basis was the diagnostic category disruptive mood dysregulation disorder (DMDD) included in the DSM-5?
◦ The category was included because of the results from clinical trials with a population suspected of having the disorder.
◦ It was included based on double-blind experiments in which various treatment options distinguished a DMDD diagnosis from other, similar diagnoses.
◦ It was included based on field trials conducted by the DSM working group examining the reliability of the diagnosis.
◦ The category was included based on a thorough review of longitudinal studies of children previously diagnosed with the disorder.