„The relationships between emotions and achievement and between well-being and achievement are reciprocal. That is, not only do positive emotions and well-being at school affect achievement, but high performance also fosters positive emotions and higher well-being in return.“
Melike Ömeroğulları u. a., Relationships Between School Enjoyment, Social Integration, and Achievement at the Beginning of Primary School: Does Family Background Matter?. In: European Journal of Psychology and Educational Research, 2022, Volume 5, Issue 2, S. 129.