Questionnaire Survey on Daily Life among Elementary and Junior High School Students, 1995

422 effective responses from a sample of 800 elementary school pupils and their mothers (rate of return: 52.8%), and 358 effective responses from another sample of 800 lower secondary school students and their mothers (rate of return: 44.8%).

来自800名小学学生及其母亲的样本（回收率：52.8%）中的422份有效回复，以及来自另一组800名初中学生及其母亲的样本（回收率：44.8%）中的358份有效回复。