A test of the cross-cultural factorial validity of the Child Behavior Checklist and the Caregiver-Teacher Report Form, the applicability of the taxonomy of preschool psychopathology they embody to Mainland Chinese preschoolers, an examination of country effects, gender differences, and cross-informant agreement between teachers and parents, based on data from 876 Chinese preschoolers and the original United States sample upon which the instruments were normed