“…The content validity, construct validity, and reliability of the quantitative instruments used in this study were demonstrated when the instruments were developed. The researchers identified that those instruments were valid and reliable in their studies (Bush & Perry, 1992; Kim, 2005; Pettersen, Nunes, & Cortoni, 2018 for aggression; Choi, 2013; Jeong, 2006; Oshio & Kaneko, 2003 for resilience; Jang, 2001; Kim 2008; Straus et al, 1996 for parental violence experience; Arrindell & Engebretsen, 2000; Jo & Hwang, 2012; Lee, 2011 for parenting styles; Yu & Choi for satisfaction with school life; Do, 2007 for teacher attitudes towards school bullying; Do, 2007, 2008 for media violence exposure; and Jang, 2005; Ko & Jeong, 2003 for adolescent attitudes towards school bullying).…”