“…Studies in several countries have demonstrated that teachers who possess the necessary knowledge, skills, and attitudes, are more likely to intervene (Begotti, Tirassa, & Maran, 2018; Frisén, Hasselblad, & Holmqvist, 2012; Williford & Depaolis, 2016; Yoon & Bauman, 2014). Also, teachers who actively stand against bullying have been associated with lower levels of bullying in the classroom (Veenstra, Lindenberg, Huitsing, Sainio, & Salmivalli, 2014).…”