大学生网络利他行为量表的项目功能差异检验

The Differential Item Functioning of Undergraduates' Internet Altruistic Behavior Scale

对592名大学生进行问卷调查,采用均值与协方差结构(MACS)分析方法对大学生网络利他行为量表(IABSU)进行跨地域的项目功能差异检验,结果表明:IABSU有4个题项存在跨地域的项目功能差异,即题项24、题项28和题项1存在一致性DIF,题项11存在非一致性DIF。为了提高量表的公平性和有效性,建议删除这4个有DIF的题项。

In order to explore the Differential Item Functioning （DIF） across gender of Undergraduates＇Interact Altruistic Behavior Scale, 592 college students were investigated based on the model of mean and covariance structure （MACS）. The results showed： There were four items which had region DIF in Undergraduates＇ Internet Altruistic Behavior Scale, namely, item 24, item 28 and item 1 had uniform DIF, and item 11 had non-uniform DIF. In order to improve fairness and validity of the scale, the four DIF items should be deleted.