Observed patterns of clinically salient behavior show promise for advancing developmentally-informed characterization of disruptive behavior within the preschool period.

The multidomain, multicontext approach of the DB-DOS is a valid method for direct assessment of preschool disruptive behavior. This approach shows promise for enhancing accurate identification of clinically significant disruptive behavior in young children and for characterizing subtypes in a manner that can directly inform etiological and intervention research.