„Good classroom discipline, an orderly learning environment, and few disruptions of instruction are considered prerequisites for a good school climate and instructional quality.“
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. 198.