PISA 2015

This data is Programme for International Student Assessment (PISA) 2015 dataset. It includes cognitive items dataset, student questionnaire data file and school questionnaire data file. They are also public available online: http://www.oecd.org/pisa/data/2015database/. It also includes data file to recover the item order in each student's test.本数据集为2015年国际学生评估项目（Programme for International Student Assessment, PISA）数据集，囊括认知题型数据集、学生问卷数据集与学校问卷数据集三类文件。上述三类数据集均可通过以下公开链接获取：http://www.oecd.org/pisa/data/2015database/。此外，本数据集还包含用于还原每位学生测试中题型顺序的数据文件。