„In PISA 2015, Chinese students score among the lowest in the world in terms of self-reported life satisfaction. Stress and dissatisfaction can sometimes lead to tragic consequences. According to the 2014 edition of the Annual Report of China’s Education, a high share of teenagers who committed suicide were pushed to the brink by the heavy pressure of tests and exams.“
Univ.-Prof. Dr. Matthias Doepke u. a., „Love, Money and Parenting“ (2019), S. 286