“…Some authors give examples like "student told me he hated me" (Baker et al, 2016, p. 29), "students wanted to use digital technologies at times and in ways that were different to planned uses" (Blundell et al, 2019, p. 8), "daydreaming in class, not completing homework, talking in class, lesson disruption, bullying, and rudeness to the teacher" (Ho, 2004, p. 378), "talking out of turn" (Homer et al, 2018, p. 141), "pupil continues to disturb the lesson by insulting his peers" (Hummel et al, 2015, p. 672), "Seeking Unallowed Assistance, Internet Slacking, Aggressiveness, and Lack of Communication" (Li & Titsworth, 2015, p. 41) and "student's discipline issues" (Rosen & Beck-Hill, 2012, p. 234). Other authors do not give explicit examples for disruptions but refer to (pre-service) teacher's strategies (Baker et al, 2016;Judge et al, 2013;Muir et al, 2013) or perceptions and attitudes (Boyaci, 2010;Charles, 2012;Heitink et al, 2017;Kurz & Batarelo, 2010;Storch & Juarez-Paz, 2019). This illustrates understandings what classroom disruptions in detail contain, but the results are so divers that it is not possible to deduce which disturbances might be more relevant than others.…”