Experience is often regarded as a prerequisite of high performance. In the field of psychotherapy, research has yielded inconsistent results regarding the association between experience and therapy outcome. However, this research was mostly conducted cross-sectionally. A longitudinal study from the U.S. recently indicated that psychotherapists' experience was not associated with therapy outcomes. The present study aimed at replicating Goldberg, Rousmaniere, et al. (2016) study in the German healthcare system. Using routine evaluation data of a large German university psychotherapy outpatient clinic, the effect of N = 241 therapists' experience on the outcomes of their patients (N = 3,432) was assessed longitudinally using linear and logistic multilevel modeling. Experience was operationalized using the number of days since the first patient of a therapist as well as using the number of patients treated beforehand. Outcome criteria were defined as change in general psychopathology as well as response, remission, and early termination. Several covariates (number of sessions per case, licensure, and main diagnosis) were also examined. Across all operationalizations of experience (time since first patient and number of cases treated) and therapy outcome (change in psychopathology, response, remission, and early termination), results largely suggest no association between therapists' experience and therapy outcome. Preliminary evidence suggests that therapists need fewer sessions to achieve the same outcomes when they gain more experience. Therapeutic experience seems to be unrelated to patients' change in psychopathology. This lack of findings is of importance for improving postgraduate training and the quality of psychotherapy in general. (PsycInfo Database Record (c) 2022 APA, all rights reserved).

中文翻译：

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熟能生巧吗？治疗师经验与治疗结果之间关系的纵向分析：Goldberg、Rousmaniere 等人的复制。（2016 年）。

经验通常被认为是高绩效的先决条件。在心理治疗领域，关于经验与治疗结果之间的关联的研究得出了不一致的结果。然而，这项研究主要是横断面进行的。美国最近的一项纵向研究表明，心理治疗师的经验与治疗结果无关。本研究旨在复制 Goldberg、Rousmaniere 等人。（2016 年）在德国医疗保健系统中进行研究。使用大型德国大学心理治疗门诊的常规评估数据，使用线性和逻辑多层次模型纵向评估 N = 241 名治疗师的经验对其患者（N = 3,432）结果的影响。使用自治疗师第一位患者以来的天数以及使用事先治疗的患者数量来操作经验。结果标准被定义为一般精神病理学的变化以及反应、缓解和提前终止。还检查了几个协变量（每个病例的会话数、执照和主要诊断）。在所有经验（自第一位患者和治疗病例数）和治疗结果（精神病理学变化、反应、缓解和提前终止）的操作化中，结果在很大程度上表明治疗师的经验与治疗结果之间没有关联。初步证据表明，当治疗师获得更多经验时，他们需要更少的疗程来达到相同的结果。治疗经验似乎与患者无关 精神病理学的改变。这种缺乏发现对于提高研究生培训和一般心理治疗的质量具有重要意义。（PsycInfo 数据库记录 (c) 2022 APA，保留所有权利）。