慢性应激特质问卷（TICS-E）英文版的因子结构和心理测量特性。
Factor structure and psychometric properties of the english version of the trier inventory for chronic stress (TICS-E).
机构信息
Witten/Herdecke University, Alfred-Herrhausen-Straße 50, 58448, Witten, Germany.
Criminological Research Institute of Lower Saxony, Lützerodestraße 9, 30161, Hannover, Germany.
出版信息
BMC Med Res Methodol. 2018 Feb 6;18(1):18. doi: 10.1186/s12874-018-0471-4.
BACKGROUND
Demands placed on individuals in occupational and social settings, as well as imbalances in personal traits and resources, can lead to chronic stress. The Trier Inventory for Chronic Stress (TICS) measures chronic stress while incorporating domain-specific aspects, and has been found to be a highly reliable and valid research tool. The aims of the present study were to confirm the German version TICS factorial structure in an English translation of the instrument (TICS-E) and to report its psychometric properties.
METHODS
A random route sample of healthy participants (N = 483) aged 18-30 years completed the TICS-E. The robust maximum likelihood estimation with a mean-adjusted chi-square test statistic was applied due to the sample's significant deviation from the multivariate normal distribution. Goodness of fit, absolute model fit, and relative model fit were assessed by means of the root mean square error of approximation (RMSEA), the Comparative Fit Index (CFI) and the Tucker Lewis Index (TLI).
RESULTS
Reliability estimates (Cronbach's α and adjusted split-half reliability) ranged from .84 to .92. Item-scale correlations ranged from .50 to .85. Measures of fit showed values of .052 for RMSEA (Cl = 0.50-.054) and .067 for SRMR for absolute model fit, and values of .846 (TLI) and .855 (CFI) for relative model-fit. Factor loadings ranged from .55 to .91.
CONCLUSION
The psychometric properties and factor structure of the TICS-E are comparable to the German version of the TICS. The instrument therefore meets quality standards for an adequate measurement of chronic stress.
背景
个体在职业和社会环境中所面临的需求，以及个人特质和资源的不平衡，都可能导致慢性压力。慢性应激测试（Trier Inventory for Chronic Stress，TICS）在测量慢性应激的同时，纳入了特定领域的方面，被证明是一种高度可靠和有效的研究工具。本研究的目的是在该工具的英文翻译版本（TICS-E）中确认德国版 TICS 的因子结构，并报告其心理测量特性。
方法
一个由 18-30 岁的健康参与者组成的随机路径样本（N=483）完成了 TICS-E。由于样本显著偏离多元正态分布，因此采用稳健极大似然估计和均值调整的卡方检验统计量。通过近似均方根误差（RMSEA）、比较拟合指数（CFI）和塔克-刘易斯指数（TLI）评估拟合优度、绝对模型拟合和相对模型拟合。
结果
可靠性估计（Cronbach's α 和调整的半分可靠性）范围为 0.84 至 0.92。项目-量表的相关性范围为 0.50 至 0.85。拟合度的度量值为 0.052（RMSEA，Cl=0.50-0.054）和 0.067（SRMR 用于绝对模型拟合），以及 0.846（TLI）和 0.855（CFI）用于相对模型拟合。因子负荷范围为 0.55 至 0.91。
结论
TICS-E 的心理测量特性和因子结构与德国版 TICS 相当。因此，该工具符合慢性应激充分测量的质量标准。
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