of the other symptoms—are the defining features of the disorders (i.e., DSM requires depress mood or anhedonia for a diagnosis of depressive episode), the CIDI-SF is most likely capturing the true variation in the internalizing syndromes as they exist in nature. Finally, the diagnostic interview only assessed for 12-month, not lifetime, prevalence, and thus may have failed to adequately capture the full extent of pathology in this sample.