<qa>  What is the secondary objective of Study A?The objective of Study A is to evaluate the efficacy of risperidone on the 4 behavioral dimensions of Berderline Personality Disorder BPDin an open label trial:mood swings, impulsivity, thing difficulties and disturbed relationships. The secondary objective of this study Study Bis to validate a self-report measure of clinical symptoms specific to the treatment of patients with BPD, the UAB Borderline Rating ScaleBRS. 