Thema: Fehlvorstellungen von Lehrpersonen  Um diese Studie geht es in der Folge: Menz, C., Spinath, B., & Seifried, E. (2021). Misconceptions die hard: Prevalence and reduction of wrong beliefs in topics from educational psychology among preservice teachers. European Journal of Psychology of Education, 36(2), 477-494. Informationen zum Intro: Cadsby, T. (2011). Stop trusting your instincts. Harvard Business Review. https://hbr.org/2011/06/stop-trusting-your-instincts  Diese Forschungsarbeiten werden erwähnt:  Festinger, L. (1962). A theory of cognitive dissonance. Stanford: Stanford University Press. Minson, J. A., & Dorison, C. A. (2022). Why is exposure to opposing views aversive? Reconciling three theoretical perspectives. Current Opinion in Psychology, 101435.  Thomm, E., Gold, B., Betsch, T., & Bauer, J. (2021). When preservice teachers’ prior beliefs contradict evidence from educational research. British Journal of Educational Psychology, 91(3), 1055-1072.  Eitel, A., Prinz, A., Kollmer, J., Niessen, L., Russow, J., Ludäscher, M., ... & Lindner, M. A. (2021). The misconceptions about multimedia learning questionnaire: An empirical evaluation study with teachers and student teachers. Psychology of Learning & Teaching, 20(3), 420-444.  Studien/Metaanalysen zum Zusammenhang von Klassengröße und Lernerfolg:  Bowne, J. B., Magnuson, K. A., Schindler, H. S., Duncan, G. J., & Yoshikawa, H. (2017). A meta-analysis of class sizes and ratios in early childhood education programs: Are thresholds of quality associated with greater impacts on cognitive, achievement, and socioemotional outcomes?. Educational Evaluation and Policy Analysis, 39(3), 407-428.  Filges, T., Sonne‐Schmidt, C. S., & Nielsen, B. C. V. (2018). Small class sizes for improving student achievement in primary and secondary schools: a systematic review. Campbell Systematic Reviews, 14(1), 1-107.  Leuven, E., & Oosterbeek, H. (2018). Class size and student outcomes in Europe. EENEE, Analytischer Bericht, (33).  OECD (2016). Education at a Glance 2016: OECD Indicators. Paris: OECD Publishing.