In this study, we examine the validity equivalence between the Chinese and English versions of the IEA ( International Association for the Evaluation of Educational Achievement) Child Cognitive Developmental Status Test, through unidimensional and multidimensional analysis of differential item functioning ( DIF). 本研究旨在从一维和多维的角度检测国际教育成效评价协会(IEA)儿童认知发展状况测验中中译英考题的项目功能差异(DIF)。