中文摘要：

现有的以量表测量变量的实证研究对无效样本的处理存在不足。本文以受众涉入RPⅡ量表为实例，提出了一种基于项目变异系数与信度评估相结合的样本有效性筛选方法。无效样本删除后，使用探索性因子分析和信度分析相结合对量表项目进行了筛查。

英文摘要：

The methods of disposal invalidation samples are deficiency in empirical research. This paper brings forward a method of samples validation filtration based on CV normality test and reliability evaluation. After disposal of invalidation samples, the paper has tested the items validation based on exploratory factor analysis and reliability test.