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Samuel DB Hopwood CJ Ansell EB Morey LC Sanislow CA Markowitz JC Yen S Shea MT Skodol AE Grilo CM 《Journal of abnormal psychology》2011,120(3):670-680
Findings from several large-scale, longitudinal studies over the last decade have challenged the long-held assumption that personality disorders (PDs) are stable and enduring. However, the findings, including those from the Collaborative Longitudinal Personality Disorders Study (CLPS; Gunderson et al., 2000), rely primarily on results from semistructured interviews. As a result, less is known about the stability of PD scores from self-report questionnaires, which differ from interviews in important ways (e.g., source of the ratings, item development, and instrument length) that might increase temporal stability. The current study directly compared the stability of the Diagnostic and Statistical Manual of Mental Disorders (4th ed.; DSM-IV) PD constructs assessed via the Schedule for Nonadaptive and Adaptive Personality (SNAP-2; Clark, Simms, Wu, & Casillas, in press) with those from the Diagnostic Interview for DSM-IV Personality Disorders (Zanarini, Frankenburg, Sickel, & Yong, 1996) over 2 years in a sample of 529 CLPS participants. Specifically, we compared dimensional and categorical representations from both measures in terms of rank-order and mean-level stability. Results indicated that the dimensional scores from the self-report questionnaire had significantly greater rank-order (mean r=.69 vs. .59) and mean-level (mean d=0.21 vs. 0.30) stability. In contrast, categorical diagnoses from the two measures evinced comparable rank-order (mean κ=.38 vs. .37) and mean-level stability (median prevalence rate decrease of 3.5% vs. 5.6%). These findings suggest the stability of PD constructs depends at least partially on the method of assessment and are discussed in the context of previous research and future conceptualizations of personality pathology. 相似文献
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Hopwood CJ Donnellan MB Blonigen DM Krueger RF McGue M Iacono WG Burt SA 《Journal of personality and social psychology》2011,100(3):545-556
During the transition to adulthood individuals typically settle into adult roles in love and work. This transition also involves significant changes in personality traits that are generally in the direction of greater maturity and increased stability. Competing hypotheses have been offered to account for these personality changes: The intrinsic maturation hypothesis suggests that change trajectories are endogenous, whereas the life-course hypothesis suggests that these changes occur because of transactions with the social environment. This study investigated the patterns and origins of personality trait changes from ages 17 to 29 using 3 waves of Multidimensional Personality Questionnaire data provided by twins. Results suggest that (a) trait changes were more profound in the first relative to the second half of the transition to adulthood; (b) traits tend to become more stable during the second half of this transition, with all the traits yielding retest correlations between .74 and .78; (c) Negative Affectivity declined over time, and Constraint increased over time; minimal change was observed on agentic or communal aspects of Positive Emotionality; and (d) both genetic and nonshared environmental factors accounted for personality changes. Overall, these genetically informed results support a life-course perspective on personality development during the transition to adulthood. 相似文献
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In this study, the authors evaluated aspects of criterion validity and clinical utility of the grandiosity and vulnerability components of the Pathological Narcissism Inventory (PNI) using two undergraduate samples (N = 299 and 500). Criterion validity was assessed by evaluating the correlations of narcissistic grandiosity and narcissistic vulnerability with established indices of normal personality traits, psychopathology and clinical concerns, and pathological personality traits. Overall, the pattern of correlations supported the convergent and discriminant validity of grandiose and vulnerable conceptualizations of pathological narcissism as measured by the PNI. Clinical utility was assessed by evaluating the extent to which clinicians without specific training in pathological narcissism as well as clinicians with expertise in pathological narcissism could accurately predict the correlates of PNI grandiosity and vulnerability with normal and pathological personality traits and psychopathology. The r(contrast-cv) coefficient provided a global index of accuracy in clinicians' predictions that was more fully elaborated by examining systematic discrepancies across groups. Overall, novice and expert clinicians were generally able to predict criterion correlations, with some exceptions (e.g., counter to predictions, pathological narcissism was negatively associated with treatment resistance). These results provide further evidence regarding the validity and utility of the narcissistic grandiosity and narcissistic vulnerability constructs as measured by the PNI. 相似文献
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The purpose of this study was to extend previous findings regarding the extratest validity of the Personality Assessment Inventory (Morey, 1991, 2007) scales and indicators in forensic contexts to an inpatient substance abuse setting. The Aggression Scale, and particularly the Physical Aggression subscale, related to assault history; the Suicide Scale and Suicide Probability Index related to history of suicide attempts; Antisocial Features, and particularly the Antisocial Behaviors subscale, predicted rule infractions; and the Treatment Process Index predicted treatment completion. We discuss clinical implications in the context of extant findings. 相似文献
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Christopher J. Hopwood Elizabeth A. Koonce Leslie C. Morey 《Journal of psychopathology and behavioral assessment》2009,31(4):331-339
Normative and pathological personality traits are theoretically associated with interpersonal behavior patterns and difficulties.
However, little is known about relations between dimensional personality systems that integrate pathological and normative
traits and social functioning. The current study explores the projections of scales from two integrative frameworks, the Dimensional Assessment of Personality Pathology and the Schedule for Nonadaptive and Adaptive Personality, onto interpersonal circumplex traits and problems. The DAPP and the SNAP demonstrated similar overall validity in predicting
the interpersonal domain. Results suggest a novel framework for understanding personality—interpersonal behavior relations
by categorizing scales according to their: a) minimal, b) non-specific, c) specific, and d) differential relations to interpersonal
traits and problems with important implications for future research relating clinical constructs to interpersonal behavior
as well as clinical assessment and behavioral predictions based on SNAP and DAPP scales. 相似文献
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Forbes D Creamer M Allen N McHugh T Debenham P Hopwood M 《Journal of personality assessment》2003,81(2):183-186
In this study, we reanalyzed the Forbes et al. (2002) data set to examine the Minnesota Multiphasic Personality Inventory (MMPI-2; Butcher, Dahlstrom, Graham, Tellegen, & Kaemmer, 1989) as a differential predictor of change across posttraumatic stress disorder symptom clusters following treatment in 141 Vietnam veterans. A series of partial correlation and linear multivariate regression analyses, controlling for initial symptom severity, identified several scales predictive of symptom change. None of the MMPI-2 scales, however, emerged as predictors of change in reexperiencing symptoms. Social alienation and marital distress were the most potent predictors for avoidance symptoms. Anger, alcohol use, and hypomania were the most potent predictors for the hyperarousal symptoms. Of the personality disorders, borderline personality was the strongest predictor of change in the avoidance and hyperarousal clusters. Further replication of the findings of this article and those reported by Forbes et al. (2002) is required. 相似文献
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Forbes D Creamer M Allen N Elliott P McHugh T Debenham P Hopwood M 《Journal of personality assessment》2002,79(2):321-336
This study sought to examine the impact of personality factors on symptom change following treatment for 141 Vietnam veterans with chronic combat-related posttraumatic stress disorder (PTSD) using the Minnesota Multiphasic Personality Inventory-2 (Butcher, Dahlstrom, Graham, Tellegen, & Kaemmer, 1989). A series of partial correlation and linear multivariate regression analyses identified social alienation, associated with anger and substance use, as the most potent negative predictor of symptom change. Of the scales assessing personality disorder, Borderline Personality was identified as the strongest negative predictor of outcome. Regression analyses examining the most salient scales identified 5 items that contributed 14% of the variance in the prediction of change scores independently of the 21% accounted for by pretreatment PTSD severity. 相似文献
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Dott SG Weiden P Hopwood P Awad AG Hellewell JS Knesevich J Kopala L Miller A Salzman C 《CNS spectrums》2001,6(4):333-338
Side effects from antipsychotic medications can have a profound effect on patients' lives and may adversely affect their willingness to comply with treatment. Identification of side effects through improved communication between psychiatrists, other members of the healthcare team, and their patients might increase treatment compliance. The Approaches to Schizophrenia Communication (ASC) Steering Group developed two simple, practical checklists for use in the busy clinical setting. The ASC-Self-Report (ASC-SR) checklist is completed by the patient and comprises a list of the more common or clinically important side effects of antipsychotic treatment. The ASC-Clinic (ASC-C) checklist is completed by both clinician and patient together, being used as the basis for a semi-structured interview. In a multicenter pilot study set up to evaluate the utility of checklists, 86% of patients responding considered the ASC-SR to be useful in communicating their problems to psychiatrists and other members of the healthcare team. All healthcare team respondents found both checklists to be helpful when discussing side effect problems with their patients. Moreover, 41% and 47% of healthcare team respondents reported that the ASC-SR and ASC-C, respectively, had assisted them in identifying side-effect problems not previously acknowledged. Preliminary evaluation of the ASC-SR and ASC-C in this multicenter pilot study suggests that both tools were user-friendly, encouraged communication between patients and healthcare professionals about antipsychotic drug side effects, and could readily integrated into everyday clinical practice. 相似文献