The use of self-administered Corona tests in schools (SUF edition)

Full edition for scientific use. The survey aimed at collecting representative data of Austrian schools. A stratified sampling approach was used. Parents were asked to state...供科研使用的完整版数据集。本调研旨在采集奥地利学校的代表性样本数据，采用分层抽样方法，并要求家长陈述……