Quantitative Psychology Commons^™

Descriptive And Longitudinal Observations On The Relationship Of Borderline Personality Disorder And Bipolar Disorder, John G. Gunderson, Igor Weinberg, Maria T. Daversa, Karsten D. Kueppenbender, Mary C. Zanarini, M. Tracie Shea, Andrew E. Skodol, Charles A. Sanislow, Shirley Yen, Leslie C. Morey, Carlos M. Grilo, Thomas H. Mcglashan, Robert L. Stout, Ingrid R. Dyck

Charles A. Sanislow, Ph.D.

OBJECTIVE: The purpose of this study was to test whether borderline personality disorder is a variant of bipolar disorder by examining the rates of co-occurrence in both disorders, the effects of co-occurrence on a longitudinal course, and whether the presence of either disorder confers the risk for new onsets of the other.

METHOD: A prospective repeated-measures design with reliable independent diagnostic measures and 4 years of follow-up was used to assess 196 patients with borderline personality disorder and 433 patients with other personality disorders.

RESULTS: Patients with borderline personality disorder had a significantly higher co-occurrence of bipolar disorder (19.4%) than …

Using The Outcome Questionnaire 45.2 In Obesity Treatment, Adam L. Arechiga

Loma Linda University Electronic Theses, Dissertations & Projects

Purpose: The purpose of this study was to determine if the Outcome Questionnaire 45.2 (OQ-45) can be used in the treatment of obesity to predict participant dropout and initial treatment success, in terms of weight loss (Lambert et. al, 2002a). The OQ-45 has been used with success to predict dropout from psychotherapy in clinical populations. It was hypothesized that higher pretreatment OQ-45 scores would be associated with less program completion and less weight loss by the end of treatment.

Method: The study employed a non-experimental time series design. Seventy-eight participants were recruited from the three local obesity treatment programs, which …