Understanding the association between normal and maladaptive personality traits: Replication and extension of Morey et al. (2020)

IF 5 1区 心理学 Q1 Psychology
Leah T. Emery, Chloe M. Evans, Julia Dimitrova, Courtney O'Keefe, Leonard J. Simms
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Abstract

Background/Objective

The Alternative Model for Personality Disorders (AMPD) within the DSM-5 includes separable components representing general personality dysfunction (Criterion A) and maladaptive personality traits (Criterion B). Some critique Criterion A for accounting for little incremental variance in PD beyond Criterion B. However, Morey et al. (2020) hypothesized that personality dysfunction is a key mechanism through which normal-range traits account for the maladaptive component of personality traits, justifying its inclusion. We sought to replicate and extend this work in a psychiatric sample with mixed methods.

Method

In total, 152 participants recruited from mental health clinics completed multiple measures of personality dysfunction and normal-range and maladaptive traits.

Results

Replication was only partially achieved. The degree of incremental prediction of maladaptive traits and the extent to which personality dysfunction explained the relations between normal-range and maladaptive traits varied significantly across traits, and those effects that reached significance were small in magnitude. Removing variance due to personality dysfunction reduced intercorrelations among maladaptive traits by only a small amount.

Conclusion

Counter to Morey et al. (2020), our results failed to support maladaptive traits as composites of normal-range traits and personality dysfunction, suggesting that other methods of distinguishing personality pathology severity and style are needed.

理解正常和适应不良人格特质之间的关系:Morey等人(2020)的复制和扩展。
背景/目的:DSM-5中的人格障碍替代模型(AMPD)包括代表一般人格功能障碍(标准A)和适应不良人格特征(标准B)的可分离成分。一些人批评标准A对PD在标准B之外的微小增量方差的解释。然而,Morey等人(2020)假设人格功能障碍是正常范围特征解释人格特征的适应不良成分的关键机制。证明其包含的合理性。我们试图用混合方法在精神病学样本中复制和扩展这项工作。方法:从心理健康诊所招募了152名参与者,完成了多项人格功能障碍和正常范围及适应不良特征的测量。结果:复制仅部分实现。人格功能障碍对适应不良性状的增量预测程度以及人格功能障碍对正常范围和适应不良性状之间关系的解释程度在各性状之间存在显著差异,达到显著的影响幅度较小。去除人格功能障碍导致的方差,只会使适应不良性状之间的相互关系减少很小一部分。结论:与Morey等人(2020)相反,我们的研究结果未能支持适应不良特征是正常范围特征和人格功能障碍的复合特征,这表明需要其他区分人格病理严重程度和风格的方法。
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来源期刊
Journal of Personality
Journal of Personality PSYCHOLOGY, SOCIAL-
CiteScore
9.60
自引率
6.00%
发文量
100
期刊介绍: Journal of Personality publishes scientific investigations in the field of personality. It focuses particularly on personality and behavior dynamics, personality development, and individual differences in the cognitive, affective, and interpersonal domains. The journal reflects and stimulates interest in the growth of new theoretical and methodological approaches in personality psychology.
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