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18. 投稿时,被要求做Measurement invariance,什么是Measurement invariance?
答: Measurement invariance is also referred to as measurement equivalence. 测量不变性又称为测量恒等性。
我们通常使用测量恒等性来确认群组间的差异是来自于不同群组潜在变数的内含或意义,
换句话说,无法确立测量恒等性时,群组间的差异可能是来自于测量误差,这会使得比较群组的结果失效。
当测量恒等性未呈现时,会降低统计检定力,影响估计的精确,甚至可能会误导结果。
总而言之,作多群组分析时,若是未能建立测量恒等性,则所有的结果都可能有问题,
因此,测量恒等性在多群组分析中是必要的检测,也是必需要通过的测试。
PLS-SEM使用的是measurement invariance of composit models (MICOM)程式来评估测量恒等性,
有三:Configurall invariance设定恒等性、Compositional invariance组成恒等性和Equal mean values and variances平均数和变异恒等性。
请参考:
Huang, L.-C. and Shiau, W.-L. 2017. "Factors affecting creativity in information system development: Insights from a decomposition and PLS–MGA," Industrial Management & Data Systems (117:3), pp. 442-458. (SCI)
Shiau, W.-L., Chen, H., Chen, K., Liu, Y.-H., and Tan, F.T.C. 2021. “A Cross-Cultural Perspective on the Blended Service Quality for Ride-Sharing Continuance,” Journal of Global Information Management (29:6/2), pp. 1-25. (SSCI)
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