Psychometric Proprieties of a Romanian Inventory (ETPduo) Designed to Assess Personality Disorders Based on the DSM-5 and the ICD-10: Evidence for Reliability and Validity in Nonclinical Samples

IF 0.8 4区心理学 Q4 PSYCHOLOGY, CLINICAL

Journal of Evidence-Based Psychotherapies Pub Date : 2022-09-01 DOI:10.24193/jebp.2022.2.16

Ticu Constantin, E. G. Nicuță

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Abstract

The aim of the present research was to assess the psychometric proprieties of the ETPduo questionnaire (Romanian acronym for Evaluation of Personality Disorders), a new instrument designed to measure personality disorders based on two official classifying systems – the Diagnostic and Statistical Manual of Mental Disorders (fifth edition) and the International Classification of Diseases (tenth edition). In Study 1a (N = 1,536) and 1b (N = 267), we sought to evaluate the internal consistency and test-retest reliability of the ETPduo questionnaire, as well as the unidimensionality of the instrument’s scales. Results showed that the scales have very good reliability and acceptable temporal stability. Confirmatory factor analyses generally indicated that the questionnaire’s scales are unidimensional and very few poorly loading items were identified. In Study 2 (N = 746), we aimed to assess the construct validity of the ETPduo questionnaire, by correlating the scores on the instrument with two other measures designed to assess normal and pathological personality traits. Results were mostly in line with our expectations. The two studies suggest that ETPduo is a reliable and valid measure of personality disorders. However, further validation of the instrument on a clinical sample is required.

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基于DSM-5和ICD-10评估人格障碍的罗马尼亚量表（ETPduo）的心理测量方法：非临床样本的可靠性和有效性证据

本研究的目的是评估ETPduo问卷（人格障碍评估的罗马尼亚语缩写）的心理测量特性，一种新的工具，旨在基于两个官方分类系统来测量人格障碍——《精神障碍诊断与统计手册》（第五版）和《国际疾病分类》（第十版）。在研究1a（N=1536）和1b（N=267）中，我们试图评估ETPduo问卷的内部一致性和重测可靠性，以及该工具量表的单维度。结果表明，该量表具有良好的可靠性和可接受的时间稳定性。验证性因素分析通常表明，问卷的量表是一维的，很少发现负载不良的项目。在研究2中（N=746），我们旨在通过将ETPduo问卷的得分与其他两项旨在评估正常和病理人格特征的指标相关联，来评估该问卷的结构有效性。结果基本符合我们的预期。这两项研究表明，ETPduo是一种可靠有效的人格障碍测量方法。然而，需要在临床样本上对仪器进行进一步验证。

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来源期刊

Journal of Evidence-Based Psychotherapies PSYCHOLOGY, CLINICAL-

CiteScore

1.90

自引率

0.00%

发文量

期刊介绍： The journal is devoted to the advancement of the clinical theory and practice of evidence-based psychotherapies (EBP) (e.g., evidence-based psychological assessments, evidence-based psychological treatments). The journal publishes original papers dealing with EBP and psychology, psychiatry, the medical and mental specialties, and allied areas of science.