„Students in some of the world’s most high-performing jurisdictions on international large-scale assessments such as Shanghai, South Korea, and Hong Kong have reported ‚relatively low satisfaction with life‘. Internationally, there is growing concern that excessive pressure for high test scores (and to avoid low test scores) can cause ill-being.“
Univ.-Prof. Dr. Andy Hargreaves u. a., Leading from the Middle (2018), S. 55.