„A large body of research testifies to the consistently positive and significant relation between a good disciplinary climate and academic achievement across educational contexts, subject areas, and countries.“
Univ.-Prof. Dr. Ronny Scherer, The Case for Good Discipline? Evidence on the Interplay Between Disciplinary Climate, Socioeconomic Status, and Science Achievement from PISA 2015. In: Dr. Tove Stjern Frønes u. a., Equity, Equality and Diversity in the Nordic Model of Education (2020), S. 200.