Are treatment effects on personality trait change ephemeral and attributable to change in clinical states? Data of an intervention study were used to examine if change in clinical states (e.g., stress or depression) accounts for change in personality traits and to test whether both changes in traits and clinical states were independently associated with substance use.

中文翻译：

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注意人格特质改变：治疗对人格特质改变的影响是否短暂且可归因于状态的变化？

对人格特质改变的治疗效果是否是短暂的并且可归因于临床状态的改变？一项干预研究的数据用于检查临床状态（例如，压力或抑郁）的变化是否导致人格特征的变化，并测试特征和临床状态的变化是否与物质使用独立相关。