“…gender, age, ethnicity/race) (Spriggs, Iannotti, Nansel, & Haynie, 2007), locus of control (Andreou, 2000), problem-solving skills (Cassidy, 2009), self-efficacy (Andreou, Vlachou, & Didaskalou, 2005), self-esteem (O'Moore & Kirkham, 2001), and loneliness (Hawker & Boulton, 2000). Familial factors include family environment (Stevens, Bourdeaudhuij, & Oost, 2002), parenting style (Georgiou, 2008), and parental involvement (Flouri & Buchanan, 2003),whereas school-related factors include school/class size, school climate, and school-connectedness (Wilson, 2004), teacher practices (Wei, Williams, Chen, & Chang, 2010), school-related stress experience (Natvig, Albrektsen, & Qvarnstrøm, 2001), academic adjustment (Schwartz, Farver, Chang, & Lee-Shin, 2002), and academic achievement (Beran, Hughes, & Lupart, 2008). The increased interest in research into bullying has disclosed a variety of adverse effects of bullying and victimization, including depression (Hawker & Boulton, 2000); psychosomatic health problems (Gini & Pozzoli, 2009); psychological disturbance, hyperactivity, and internalizing/externalizing problems (Kumpulainen et al, 1998); posttraumatic stress (Mynard, Joseph, & Alexandera, 2000); suicidal ideation and/or behaviour (Kim, Leventhal, Koh, & Boyce, 2009); and substance abuse (abuse of alcohol, cigarettes, marijuana and inhalants) (Tharp-Taylor, Haviland, & D'Amico, 2009).…”