Measurement Invariance Widely Holds for the Yale-Brown Obsessive Compulsive Scale

IF 3.2 3区心理学 Q2 PSYCHOLOGY, APPLIED

European Journal of Psychological Assessment Pub Date : 2023-09-19 DOI:10.1027/1015-5759/a000788

Daniel Schulze, Benedikt Reuter, Björn Elsner, Norbert Kathmann

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引用次数: 0

Abstract

Abstract: The clinician-rated Yale-Brown Obsessive Compulsive Scale (Y-BOCS) is a widely used assessment tool for obsessive-compulsive disorder (OCD). However, the measurement invariance (MI) properties of the Y-BOCS, a prerequisite for group or time point comparisons in clinical research, have received little attention in previous studies. In this study, we aim to comprehensively investigate the factor structure and MI of the Y-BOCS severity rating and its symptom checklist, utilizing a large sample of OCD patients ( N = 1,066). Our analysis considers various MI covariates, including time (pre- and post-therapy), severity, comorbidity, previous treatments, and demographics. Overall, the majority of tests conducted on the Y-BOCS severity rating and its symptom checklist revealed no substantial issues with MI, reinforcing the validity of the Y-BOCS for comparative clinical research. Specifically, we discuss a three-factor model for the severity rating, contrasting with a two-factor model for obsessions and compulsions when excluding the resistance items. Notably, our findings underscore the advantages and validity of employing latent factors rather than sum scores to model OCD severity and symptoms.

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测量不变性广泛适用于耶鲁-布朗强迫症量表

摘要:临床评定的耶鲁-布朗强迫症量表(Y-BOCS)是一种广泛使用的强迫症(OCD)评估工具。然而，Y-BOCS的测量不变性(MI)特性是临床研究中进行组或时间点比较的先决条件，但在以往的研究中很少受到重视。在本研究中，我们旨在全面探讨Y-BOCS严重程度评分及其症状清单的因素结构和MI，利用大样本的强迫症患者(N = 1,066)。我们的分析考虑了各种MI协变量，包括时间(治疗前和治疗后)、严重程度、合并症、既往治疗和人口统计学。总体而言，对Y-BOCS严重程度评分及其症状清单进行的大多数测试显示MI没有实质性问题，加强了Y-BOCS在比较临床研究中的有效性。具体来说，我们讨论了严重性评级的三因素模型，与排除抗拒项目的强迫和强迫的两因素模型进行了对比。值得注意的是，我们的研究结果强调了使用潜在因素而不是总和分数来模拟强迫症严重程度和症状的优势和有效性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

European Journal of Psychological Assessment PSYCHOLOGY, APPLIED-

CiteScore

6.40

自引率

4.00%

发文量

期刊介绍： The main purpose of the EJPA is to present important articles which provide seminal information on both theoretical and applied developments in this field. Articles reporting the construction of new measures or an advancement of an existing measure are given priority. The journal is directed to practitioners as well as to academicians: The conviction of its editors is that the discipline of psychological assessment should, necessarily and firmly, be attached to the roots of psychological science, while going deeply into all the consequences of its applied, practice-oriented development.