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Vaysi A, Nazarpour P, Kiani Z, Maleki M, Hamzehei M, Amianto F, Sellbom M, Komasi S. Replicability of the five-factor structure of DSM-5 and ICD-11 trait systems and their associations with binge eating and bipolar spectrum psychopathology. Personal Ment Health 2024; 18:122-137. [PMID: 38031321 DOI: 10.1002/pmh.1600] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Revised: 10/21/2023] [Accepted: 11/09/2023] [Indexed: 12/01/2023]
Abstract
Since the research on contemporary personality models-and psychopathology-mainly originate from the Western world, we aimed to test the factorial structure of two trait systems assessed with the Personality Inventory for DSM-5 (PID-5) in a non-Western sample and to compare the extracted models' relative associations with binge eating disorder (BED) and bipolar spectrum disorder (BSD) symptoms. A community sample (N = 516; 72% female) was administered the PID-5, which can operationalize both the DSM-5 and ICD-11 systems. The factor structures of both systems were tested using exploratory structural equation modeling (ESEM). The congruence coefficients of all factor loadings with international studies were calculated. The Binge Eating Scale (BES), Bipolar Spectrum Diagnostic Scale (BSDS), and Hypomania Checklist-32-Revised (HCL-32) were used to measure the criterion variables. Linear regression models were used for comparing the DSM-5 and ICD-11 systems in predicting the BED and BSD. The findings supported five-factor solutions for both trait systems. Both systems significantly predicted dimensional measures of both BED and BSD (all p < 0.001). The present findings support an acceptable five-factor structure for both personality systems in the non-Western sample. Different algorithms of maladaptive domains on both systems are related to binge eating and bipolar spectrum psychopathology.
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Affiliation(s)
- Anis Vaysi
- Department of Neuroscience and Psychopathology Research, Mind GPS Institute, Kermanshah, Iran
| | - Parisa Nazarpour
- Department of Neuroscience and Psychopathology Research, Mind GPS Institute, Kermanshah, Iran
| | - Zhaleh Kiani
- Department of Neuroscience and Psychopathology Research, Mind GPS Institute, Kermanshah, Iran
| | - Mahtab Maleki
- Department of Neuroscience and Psychopathology Research, Mind GPS Institute, Kermanshah, Iran
| | - Maryam Hamzehei
- Department of Neuroscience and Psychopathology Research, Mind GPS Institute, Kermanshah, Iran
| | - Federico Amianto
- Department of Neurosciences, Psychiatry Section, Regional Pilot Centre for Eating Disorders, University of Torino, Torino, Italy
| | - Martin Sellbom
- Department of Psychology, University of Otago, Dunedin, New Zealand
| | - Saeid Komasi
- Department of Neuroscience and Psychopathology Research, Mind GPS Institute, Kermanshah, Iran
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Komasi S, Rezaei F, Hemmati A, Nazari A, Nasiri Y, Faridmarandi B, Zakiei A, Saeidi M, Hopwood CJ. Clinical cut scores for the Persian version of the personality inventory for DSM-5. J Clin Psychol 2024; 80:370-390. [PMID: 37864832 DOI: 10.1002/jclp.23614] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2023] [Revised: 08/27/2023] [Accepted: 10/11/2023] [Indexed: 10/23/2023]
Abstract
BACKGROUND The cut points of psychological tools to diagnose clinical conditions are not universal and depend on the region and prevalence of the disorder. Thus, we aimed to identify the cutoff points of the Persian original version of the personality inventory for DSM-5 (PID-5; 220 items) that would optimally distinguish nonclinical from clinical groups. METHODS Both nonclinical (N = 634, 73% female, 34.0 ± 10.8 years) and clinical (N = 454, 29% female, 29.5 ± 7.4 years) samples from the West of Iran participated in the study. Data were analyzed using receiver operating characteristic (ROC) and Youden's index was used to determine the cutoff scores across the PID-5 domains and facets. The means and standard deviations of both the clinical male and female were compared with the nonclinical group using Cohen's d and independent t-tests. RESULTS All the PID-5 algorithms and facets significantly distinguished clinical from nonclinical samples with some unique findings for male and female samples. The mean score of all the PID-5 algorithms and facets in the clinical male and female samples were respectively 1.0-2.0 SD and 0.5-1.0 SD above the mean for the nonclinical counterparts. A score higher than 1.5 on ranging from 0 to 3 in each domain or facet indicated clinical status. CONCLUSION Raw cutting scores throughout the PID-5 algorithms can be well used to diagnose any pathology of personality and the severity of the disorder in clinical patients. The cut scores provide a useful tool for the clinical use of the original version of PID-5 in Iran.
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Affiliation(s)
- Saeid Komasi
- Department of Neuroscience and Psychopathology Research, Mind GPS Institute, Kermanshah, Iran
| | - Farzin Rezaei
- Department of Psychiatry, Roozbeh Hospital, Tehran University of Medical Sciences, Tehran, Iran
| | - Azad Hemmati
- Department of Psychology, University of Kurdistan, Sanandaj, Iran
| | - Amin Nazari
- Department of Psychology, University of Kurdistan, Sanandaj, Iran
| | - Yeganeh Nasiri
- Department of Neuroscience and Psychopathology Research, Mind GPS Institute, Kermanshah, Iran
| | - Behrooz Faridmarandi
- Department of Neuroscience and Psychopathology Research, Mind GPS Institute, Kermanshah, Iran
| | - Ali Zakiei
- Sleep Disorders Research Center, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Mozhgan Saeidi
- Department of Neuroscience and Psychopathology Research, Mind GPS Institute, Kermanshah, Iran
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Wolf MG, Denison AJ. Survey Uses May Influence Survey Responses. Assessment 2023:10731911231213849. [PMID: 38160401 DOI: 10.1177/10731911231213849] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2024]
Abstract
Traditional validation processes for psychological surveys tend to focus on analyzing item responses instead of the cognitive processes that participants use to generate these responses. When screening for invalid responses, researchers typically focus on participants who manipulate their answers for personal gain or respond carelessly. In this paper, we introduce a new invalid response process, discordant responding, that arises when participants disagree with the use of the survey and discuss similarities and differences between this response style and protective responding. Results show that nearly all participants reflect on the intended uses of an assessment when responding to items and may decline to respond or modify their responses if they are not comfortable with the way the results will be used. Incidentally, we also find that participants may misread survey instructions if they are not interactive. We introduce a short screener to detect invalid responses, the discordant response identifiers (DRI), which provides researchers with a simple validity tool to use when validating surveys. Finally, we provide recommendations about how researchers may use these findings to design surveys that reduce this response manipulation in the first place.
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Riegel KD, Konecna J, Matoulek M, Rosova L. Implementation of the DSM-5 and ICD-11 Dimensional Models of Maladaptive Personality Traits Into Pre-bariatric Assessment. Front Psychol 2022; 12:814421. [PMID: 35082734 PMCID: PMC8785802 DOI: 10.3389/fpsyg.2021.814421] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2021] [Accepted: 12/13/2021] [Indexed: 11/13/2022] Open
Abstract
Background: Personality pathology does not have to be a contraindication to a bariatric surgery if a proper pre-surgical assessment is done. Indicating subgroups of patients with their specific needs could help tailor interventions and improve surgical treatment outcomes. Objectives: Using the Alternative DSM-5 model for personality disorders (AMPD) and the ICD-11 model for PDs to detect subgroups of patients with obesity based on a specific constellation of maladaptive personality traits and the level of overall personality impairment. Methods: 272 consecutively consented patients who underwent a standard pre-surgical psychological assessment. The majority were women (58.0%), age range was 22-79 years (M = 48.06, SD = 10.70). Patients' average body mass index (BMI) was 43.95 kg/m2. All participants were administered the Personality Inventory for DSM-5 (PID-5) from which Level of Personality Functioning Scale-Self Report (LPFS-SR) and Standardized Assessment of Severity of Personality Disorder (SASPD) scores were gained using the "crosswalk" for common metric for self-reported severity of personality disorder. The k-means clustering method was used to define specific subgroups of patients with obesity and replicated for equality testing to the samples of non-clinical respondents and psychiatric patients. Results: The cluster analysis detected specific groups in the sample of patients with obesity, which differed quantitatively from the samples of non-clinical respondents and psychiatric patients. A vast majority of patients with obesity showed above-average values in most of the PID-5 facets compared to the United States representative general community sample. In two out of the three clusters defined, patients demonstrated moderate (> M + 1.5 × SD) to severe (> M + 2.0 × SD) personality psychopathology within the Detachment and Negative Affectivity domains according to PID-5, which in one of the clusters corresponded to the mild overall impairment in both, LPFS-SR (M = 2.18, SD = 0.27) and SASPD (M = 8.44, SD = 2.38). Moreover, higher levels of psychopathology prove to be associated with higher age and use of psychiatric medication. Conclusions: The dimensional DSM-5 and ICD-11 trait models are suitable procedures for defining specific "characters" of patients in a pre-bariatric setting. As such, they help to identify subgroups of patients with obesity who are different from general population and psychiatric patients. Implications for clinical practice and further research are discussed.
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Affiliation(s)
- Karel D Riegel
- Department of Addictology, 1st Faculty of Medicine, Charles University and General University Hospital, Prague, Czechia
| | - Judita Konecna
- 3rd Department of Medicine-Department of Endocrinology and Metabolism, 1st Faculty of Medicine, Charles University and General University Hospital, Prague, Czechia.,Department of Psychiatry, 1st Faculty of Medicine, Charles University and General University Hospital, Prague, Czechia
| | - Martin Matoulek
- 3rd Department of Medicine-Department of Endocrinology and Metabolism, 1st Faculty of Medicine, Charles University and General University Hospital, Prague, Czechia
| | - Livia Rosova
- Department of Applied Mathematics and Statistics, Faculty of Mathematics, Physics and Informatics, Comenius University, Bratislava, Slovakia
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Riegel KD, Schlosserova L, Zbornik TS. Self-reported narcissistic traits in patients with addiction through the lens of the ICD-11 model for personality disorders. Front Psychiatry 2022; 13:1041480. [PMID: 36506455 PMCID: PMC9732545 DOI: 10.3389/fpsyt.2022.1041480] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/11/2022] [Accepted: 11/08/2022] [Indexed: 11/27/2022] Open
Abstract
BACKGROUND There is a presumption that pathological narcissism, or narcissistic personality disorder per se, can be considered a precursor to addiction. Although the ICD-11 model does not distinguish specific personality disorders, narcissistic psychopathology should be captured through personality trait qualifiers. OBJECTIVES To verify the capacity of the ICD-11 model in the detection of narcissistic psychopathology in patients with addiction; to test its discrimination capacity, convergent validity, and specificity toward the gender and the type of addiction. MATERIALS AND METHODS Two samples were employed in the study. Sample 1 (n = 421) consisted of patients with addiction; Sample 2 (n = 567) consisted of general population volunteers. Age range was 18-75 years and a battery of self-assessment questionnaires containing Personality Inventory for DSM-5-Brief Form Plus Modified; Triarchic Psychopathy Measure; Hypersensitive Narcissism Scale; and Level of Personality Functioning Scale-Self-Report was administered by pencil-and-paper method. RESULTS The following was confirmed: (1) capacity of the ICD-11 model in relation to capture narcissistic pathology; (2) the differentiation capacity between the clinical and non-clinical population; (3) gender specificity in relation to grandiose and vulnerable narcissism; (4) the connection between the overall degree of impairment in personality functioning and most of trait qualifiers; (5) certain specifics of patients with addiction in relation to the type of addiction. CONCLUSION Results support the empirical and clinical relevance of the ICD-11 model in capturing narcissistic pathology in addicted patients. Clinical implications concerning assessment and treatment in addiction settings, and certain limits regarding the Anankastia domain are discussed.
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Affiliation(s)
- Karel D Riegel
- Department of Addictology, First Faculty of Medicine, Charles University and General University Hospital in Prague, Prague, Czechia
| | - Lucia Schlosserova
- Department of Addictology, First Faculty of Medicine, Charles University and General University Hospital in Prague, Prague, Czechia
| | - Tadeas S Zbornik
- Department of Addictology, First Faculty of Medicine, Charles University and General University Hospital in Prague, Prague, Czechia
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Gualco B, Scarpa F, Rensi R. Assessment of Recidivism Risk in Sex Offenders: A Pilot Study in Central Italy. Healthcare (Basel) 2021; 9:healthcare9111590. [PMID: 34828635 PMCID: PMC8625048 DOI: 10.3390/healthcare9111590] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Revised: 11/10/2021] [Accepted: 11/18/2021] [Indexed: 11/16/2022] Open
Abstract
Knowing the risk factors of recidivism in sex offenders is important in order to prepare effective preventative interventions and treatment in custody. In this regard, the following paper shows the results of a pilot study carried out in the prisons of central Italy in which 44 sex offenders participated. These participants were given the following tests: Historical Clinical Risk Management-20-version 3 (HCR20v3), Psychopathy Checklist-Revised (PCL-R) and Personal Inventory Dimensional (PID-5). The results show a high positivity in the factors of the sub-scales H (historical factors) and C (clinical factors) of HCR20v3; the average total score of the PCR-L is 16.47, with five subjects who are in the “high psychopathy” range (X ≥ 30); with regard to PID-5, the most positive domain is negative affectivity (56.10%).
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Affiliation(s)
- Barbara Gualco
- Section of Medical Forensic Sciences, Department of Health Sciences, University of Florence, 50100 Florence, Italy;
| | - Franco Scarpa
- Forensic Mental Health’s Service, USL Center Tuscany, 50100 Firenze, Italy;
| | - Regina Rensi
- Section of Medical Forensic Sciences, Department of Health Sciences, University of Florence, 50100 Florence, Italy;
- Correspondence:
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Barchi-Ferreira Bel AM, Osório FL. The Personality Inventory for DSM-5: Psychometric Evidence of Validity and Reliability-Updates. Harv Rev Psychiatry 2021; 28:225-237. [PMID: 32692087 DOI: 10.1097/hrp.0000000000000261] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
OBJECTIVE To perform a systematic review of the literature on the psychometric characteristics of different versions of the Personality Inventory for the Diagnostic and Statistical Manual of Mental Disorders, fifth edition (PID-5) and to integrate the current findings with those of previous reviews by Al Dajani and colleagues (2015) and Watters and Bagby (2018). METHODS This study was conducted according to the Preferred Reporting Items for Systematic Reviews and Meta-analyses protocol. PubMed, PsycINFO, SciELO, Web of Science, and LILACS were searched using two keywords: personality AND DSM-5. Studies published from 2015 to 2018 were included. RESULTS Sixty-four new studies were evaluated. The PID-5-self-report form (SRF) was concluded to have a factorial structure consisting of five factors and 25 facets, as well as excellent indicators of internal consistency, test-retest reliability, and convergent validity with different personality instruments and with other clinical constructs. The form also has predictive and discriminative potential, warranting further exploration in studies with samples of personality disorders in relation to different parameters and not only the diagnostic algorithm of DSM-5 Section III. The brief and informant versions, although less studied, also showed good psychometric indicators, comparable to the original version. CONCLUSIONS The PID-5 showed psychometric suitability for use in different cultures and contexts. The form's use in clinical practice and as a means of operationalizing the diagnostic evaluation of the DSM-5 dimensional model is promising and should be encouraged.
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Affiliation(s)
- Ana Maria Barchi-Ferreira Bel
- From the Medical School of Ribeirão Preto, São Paulo University; National Institute for Science and Technology (INCT-TM, CNPq), Brasília, Brazil (Dr. Osório)
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Riegel KD, Ksinan AJ, Schlosserova L. Psychometric Properties of the Independent 36-Item PID5BF+M for ICD-11 in the Czech-Speaking Community Sample. Front Psychiatry 2021; 12:643270. [PMID: 34122175 PMCID: PMC8187568 DOI: 10.3389/fpsyt.2021.643270] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/17/2020] [Accepted: 04/26/2021] [Indexed: 11/13/2022] Open
Abstract
Background: Empirical soundness and international robustness of the PID5BF+M, a shortened version of the PID-5 developed for simultaneous evaluation of maladaptive personality traits in the DSM-5 AMPD and ICD-11 models for personality disorders, was recently confirmed in 16 samples from different countries. Because the modified PID5BF+ scale (36 items) was extracted from the complete 220-item PID-5, an independent evaluation of psychometric properties of a stand-alone PID5BF+M is still missing. Objectives: The present study evaluated the validity and reliability of the 36-item PID5BF+M in comparison with the extracted version from the original PID-5. It also assessed associations between the Borderline Pattern qualifier and trait domain qualifiers. Methods: Two non-clinical samples meeting the inclusion criteria were employed in the study. Sample 1 (n = 614) completed the 220-item PID-5; Sample 2 (n = 1,040) completed the independent 36-item PID5BF+M. Participants were from all 14 regions of the Czech Republic. The Borderline Pattern qualifier was evaluated using a shortened IPDEQ screener. Results: The proposed latent structure of the independent PID5BF+M was confirmed, with an exception of the Disinhibition domain. The results confirmed good internal consistency and test-retest reliability of the measure, as well as some support for the measurement invariance of the independent PID5BF+M in comparison with the extracted version from the original PID-5. Significant associations between the Negative affectivity, Disinhibition, and Psychoticism qualifiers and the IPDEQ items for the emotionally unstable personality disorder of both impulsive and borderline types confirmed good predictive validity of the PID5BF+M in pursuing borderline psychopathology within the ICD-11 model. Conclusions: The independent PID5BF+M was found to be a valid and reliable tool for evaluation of the ICD-11 trait model. However, the Disinhibition domain deserves further investigation in clinical samples as well as in international community samples.
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Affiliation(s)
- Karel D Riegel
- Department of Addictology, General University Hospital in Prague and 1st Faculty of Medicine, Charles University, Prague, Czechia
| | - Albert J Ksinan
- Research Centre for Toxic Compounds in the Environment (RECETOX), Faculty of Science, Masaryk University, Brno, Czechia
| | - Lucia Schlosserova
- Department of Addictology, General University Hospital in Prague and 1st Faculty of Medicine, Charles University, Prague, Czechia
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Bach B, Kerber A, Aluja A, Bastiaens T, Keeley JW, Claes L, Fossati A, Gutierrez F, Oliveira SES, Pires R, Riegel KD, Rolland JP, Roskam I, Sellbom M, Somma A, Spanemberg L, Strus W, Thimm JC, Wright AGC, Zimmermann J. International Assessment of DSM-5 and ICD-11 Personality Disorder Traits: Toward a Common Nosology in DSM-5.1. Psychopathology 2020; 53:179-188. [PMID: 32369820 DOI: 10.1159/000507589] [Citation(s) in RCA: 64] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/13/2019] [Accepted: 03/27/2020] [Indexed: 11/19/2022]
Abstract
INTRODUCTION The DSM-5 Alternative Model of Personality Disorders (AMPD) and the ICD-11 classification of personality disorders (PD) are largely commensurate and, when combined, they delineate 6 trait domains: negative affectivity, detachment, antagonism/dissociality, disinhibition, anankastia, and psychoticism. OBJECTIVE The present study evaluated the international validity of a brief 36-item patient-report measure that portrays all 6 domains simultaneously including 18 primary subfacets. METHODS We developed and employed a modified version of the Personality Inventory for DSM-5 - Brief Form Plus (PID5BF+). A total of 16,327 individuals were included, 2,347 of whom were patients. The expected 6-factor structure of facets was initially investigated in samples from Denmark (n = 584), Germany (n = 1,271), and the USA (n = 605) and subsequently replicated in both patient- and community samples from Italy, France, Switzerland, Belgium, Norway, Portugal, Spain, Poland, Czech Republic, the USA, and Brazil. Associations with interview-rated DSM-5 PD categories were also investigated. RESULTS Findings generally supported the empirical soundness and international robustness of the 6 domains including meaningful associations with familiar interview-rated PD types. CONCLUSIONS The modified PID5BF+ may be employed internationally by clinicians and researchers for brief and reliable assessment of the 6 combined DSM-5 and ICD-11 domains, including 18 primary subfacets. This 6-domain framework may inform a future nosology for DSM-5.1 that is more reasonably aligned with the authoritative ICD-11 codes than the current DSM-5 AMPD model. The 36-item modified PID5BF+ scoring key is provided in online supplementary Appendix A see www.karger.com/doi/10.1159/000507589 (for all online suppl. material).
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Affiliation(s)
- Bo Bach
- Center for Personality Disorder Research, Psychiatric Research Unit, Region Zealand, Slagelse, Denmark,
| | - André Kerber
- Department of Psychology, Freie Universität Berlin, Berlin, Germany
| | - Anton Aluja
- Lleida Institute for Biomedical Research, University of Lleida, Catalonia, Spain
| | - Tim Bastiaens
- University Psychiatric Centre, Katholieke Universiteit Leuven, Leuven, Belgium
| | - Jared W Keeley
- Psychology Department, Virginia Commonwealth University, Richmond, Virginia, USA
| | - Laurence Claes
- Faculty of Medicine and Health Sciences, University of Antwerp, Leuven, Belgium.,Faculty of Psychology and Educational Sciences, Katholieke Universiteit Leuven, Leuven, Belgium
| | - Andrea Fossati
- Faculty of Psychology, Vita-Salute San Raffaele University, Milan, Italy
| | | | | | - Rute Pires
- CICPSI, Faculdade de Psicologia, Universidade de Lisboa, Lisbon, Portugal
| | - Karel D Riegel
- Department of Addictology, 1st Faculty of Medicine, Charles University of Prague, General University Hospital of Prague, Prague, Czechia
| | | | - Isabelle Roskam
- Psychological Sciences Research Institute, Université Catholique de Louvain (UCLouvain), Louvain-la-Neuve, Belgium
| | - Martin Sellbom
- Department of Psychology, University of Otago, Dunedin, New Zealand
| | - Antonella Somma
- Faculty of Psychology, Vita-Salute San Raffaele University, Milan, Italy
| | - Lucas Spanemberg
- Escola de Medicina, Pontifícia Universidade Católica do Rio Grande do Sul (PUCRS), Porto Alegre, Brazil
| | - Włodzimierz Strus
- Institute of Psychology, Cardinal Stefan Wyszyński University, Warsaw, Poland
| | - Jens C Thimm
- Department of Psychology, The Arctic University of Norway (UiT), Tromsoe, Norway
| | - Aidan G C Wright
- Department of Psychology, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
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Lowmaster SE, Hartman MJ, Zimmermann J, Baldock ZC, Kurtz JE. Further Validation of the Response Inconsistency Scale for the Personality Inventory for DSM-5. J Pers Assess 2019; 102:743-750. [PMID: 31625765 DOI: 10.1080/00223891.2019.1674320] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
Assessment of protocol validity is essential for structured personality tests used in clinical decision making. Measures of inconsistent responding allow researchers and clinicians to identify random or careless response patterns that compromise an accurate interpretation of test results. Keeley and colleagues (2016) developed an Inconsistency scale (INC) for the widely used Personality Inventory for DSM-5 (PID-5; Krueger, Derringer, Markon, Watson, & Skodol. 2012. Initial construction of a maladaptive personality trait model and inventory for DSM-5. Psychological Medicine, 42(9), 1879-1890.). The INC produced highly promising results in initial validation studies, and the current study provides a series of additional tests of the adaptability of the INC item pairs across different populations, translations, and versions of the PID-5. Study 1 examines the diagnostic utility of a shortened version of the original INC scale (INC-S) that can be used with the 100-item version of the PID-5; optimum cut scores are identified for this short form adaptation. Study 2 cross-validates the INC-S and compares diagnostic utility to the INC in a sample that completed the full PID-5. Study 3 examines the diagnostic utility of the INC and INC-S using a German translation of the PID-5 with undergraduates and clinical patients. Overall, these validation studies provide robust support for the INC and INC-S scales to discriminate random-generated versus real PID-5 protocols.
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Affiliation(s)
- Sara E Lowmaster
- Department of Psychology, University of South Dakota, Vermillion, South Dakota, USA
| | - Michael J Hartman
- Psychological and Brain Sciences, Villanova University, Villanova, Pennsylvania, USA
| | | | - Zachary C Baldock
- Psychological and Brain Sciences, Villanova University, Villanova, Pennsylvania, USA
| | - John E Kurtz
- Psychological and Brain Sciences, Villanova University, Villanova, Pennsylvania, USA
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Zimmermann J, Kerber A, Rek K, Hopwood CJ, Krueger RF. A Brief but Comprehensive Review of Research on the Alternative DSM-5 Model for Personality Disorders. Curr Psychiatry Rep 2019; 21:92. [PMID: 31410586 DOI: 10.1007/s11920-019-1079-z] [Citation(s) in RCA: 138] [Impact Index Per Article: 27.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
PURPOSE OF REVIEW Both the Alternative DSM-5 Model for Personality Disorders (AMPD) and the chapter on personality disorders (PD) in the recent version of ICD-11 embody a shift from a categorical to a dimensional paradigm for the classification of PD. We describe these new models, summarize available measures, and provide a comprehensive review of research on the AMPD. RECENT FINDINGS A total of 237 publications on severity (criterion A) and maladaptive traits (criterion B) of the AMPD indicate (a) acceptable interrater reliability, (b) largely consistent latent structures, (c) substantial convergence with a range of theoretically and clinically relevant external measures, and (d) some evidence for incremental validity when controlling for categorical PD diagnoses. However, measures of criterion A and B are highly correlated, which poses conceptual challenges. The AMPD has stimulated extensive research with promising findings. We highlight open questions and provide recommendations for future research.
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Affiliation(s)
- Johannes Zimmermann
- Department of Psychology, University of Kassel, Holländische Str. 36-38, 34127, Kassel, Germany.
| | | | - Katharina Rek
- Max-Planck-Institut für Psychiatrie, Munich, Germany
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