Trends in International Mathematics and Science Study (TIMSS) 2003: Learner b...

This data set (Learner background questionnaire - Bsg) contains the responses of students when asked questions referring to their background, i.e. home environment, parental...本数据集（学习者背景调查问卷（Learner background questionnaire - Bsg））收录了学生针对其个人背景相关问题的作答内容，具体涵盖家庭环境、父母……等方面。