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The Index of Race-Related Stress-Brief: Further Validation, Cross-Validation, and Item Response Theory-Based Evidence
Journal of Black Psychology ( IF 2.608 ) Pub Date : 2020-08-07 , DOI: 10.1177/0095798420947508
Collette Chapman-Hilliard 1 , Tahirah Abdullah 2 , Ellen-ge Denton 3 , Andrea Holman 4 , Germine Awad 5
Affiliation  

The Index of Race-Related Stress-Brief (IRRS-B) is one of the most widely used measures to assess race-related stress among Black Americans. Despite a long history of use in research and clinical settings, there has been limited scholarship examining the factor structure of the IRRS-B. In this study, we evaluated the item functioning and structural performance of the IRRS-B scores in a nationally recruited sample of Black Americans using item response and confirmatory factor analyses. Item-level analyses illustrated that items on the IRRS-B, in general, tended to be most informative at moderate levels of the latent construct. The proposed three-factor structure yielded a comparable fit to the data in a validation and a cross-validation subsample but did not meet recommended cutoff values for adequate model fit. Findings are discussed in terms of the implications for future use of the IRRS-B in research and clinical contexts.

中文翻译:

与种族相关的压力指数指数:进一步验证、交叉验证和基于项目反应理论的证据

种族相关压力简报指数 (IRRS-B) 是评估美国黑人种族相关压力的最广泛使用的指标之一。尽管在研究和临床环境中使用的历史悠久,但研究 IRRS-B 的因子结构的学术研究仍然有限。在这项研究中,我们使用项目反应和验证性因素分析评估了全国招募的美国黑人样本中 IRRS-B 分数的项目功能和结构性能。项目级别的分析表明,IRRS-B 上的项目通常在潜在构造的中等级别上提供的信息最多。提议的三因素结构对验证和交叉验证子样本中的数据产生了可比较的拟合,但不符合充分模型拟合的推荐截止值。
更新日期:2020-08-07
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