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Evaluation of Measurement Instrument Criterion Validity in Finite Mixture Settings

机译：在有限混合环境中评估测量仪器标准的有效性

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摘要

A method for evaluating the validity of multicomponent measurement instruments in heterogeneous populations is discussed. The procedure can be used for point and interval estimation of criterion validity of linear composites in populations representing mixtures of an unknown number of latent classes. The approach permits also the evaluation of between-class validity differences as well as within-class validity coefficients. The method can similarly be used with known class membership when distinct populations are investigated, their number is known beforehand and membership in them is observed for the studied subjects, as well as in settings where only the number of latent classes is known. The discussed procedure is illustrated with numerical data.
机译：讨论了一种评估异质种群中多组分测量仪器有效性的方法。该程序可用于代表人群中潜在数量未知的混合物的总体中线性复合材料标准有效性的点和区间估计。该方法还允许评估类间有效性差异以及类内有效性系数。当研究不同的群体时，该方法可以类似地与已知的类别成员一起使用，事先知道其数量，并且对于所研究的受试者以及在仅知道潜在类别的数量的环境中观察其成员。讨论的过程用数字数据说明。

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