Witnessing school bullying: to react or not to react? An insight into perceived social norms regulating self-predicted defending and passive behaviours

References

• Ajzen, I. (1991). The theory of planned behavior. Organizational Behavior and Human Processes, 50, 179–211. doi:10.1016/0749-5978(91)90020-T
   Web of Science ®Google Scholar
• Ajzen, I., & Fishbein, M. (1980). Understanding attitudes and predicting social behavior. Englewood Cliffs, NJ: Prentice Hall.
   Google Scholar
• Barlinska, J., Szuster, A., & Winiewski, M. (2013). Cyberbullying among adolescent bystanders: Role of the communication medium, form of violence, and empathy. Journal of Community & Applied Social Psychology, 23, 37–51. doi:10.1002/casp.2137
   Web of Science ®Google Scholar
• Bastiaensens, S., Vandebosch, H., Poels, K., Van Cleemput, K., Desmet, A., & De Bourdeaudhuij, I. (2014). Cyberbullying on social network sites. An experimental study into bystanders’ behavioural intentions to help the victim or reinforce the bully. Computers in Human Behavior, 31, 259–271. doi:10.1016/j.chb.2013.10.036
   Web of Science ®Google Scholar
• Belacchi, C. (2008). I ruoli dei partecipanti nel bullismo: Una nuova proposta [Participants roles in bullying: A new proposal]. Giornale Italiano di Psicologia, 4, 885–911. doi:10.1421/28422
   Google Scholar
• Bicchieri, C. (2006). The grammar of society: The nature and dynamics of social norms. Cambridge: Cambridge University Press.
   Google Scholar
• Bicchieri, C. (2017). Norms in the wild, how to diagnose, measure, and change social norms. Oxford: University Press.
   Google Scholar
• Boulton, M. J., Boulton, L., Down, J., Sanders, J., & Craddock, H. (2017). Perceived barriers that prevent high school students seeking help from teachers for bullying and their effects on disclosure intentions. Journal of Adolescence, 56, 40–51. doi:10.1016/j.adolescence.2016.11.009
   PubMed Web of Science ®Google Scholar
• Brenick, A., & Halgunseth, L. C. (2017). Brief note: Applying developmental intergroup perspectives to the social ecologies of bullying: Lessons from developmental social psychology. Journal of Adolescence, 59, 90–95. doi:10.1016/j.adolescence.2017.05.018
   PubMed Web of Science ®Google Scholar
• Caravita, S. C., Gini, G., & Pozzoli, T. (2012). Main and moderated effects of moral cognition and status on bullying and defending. Aggressive Behavior, 38, 456–468. doi:10.1093/bjps/axm022
   PubMed Web of Science ®Google Scholar
• Caravita, S. C., Sijtsema, J. J., Rambaran, J. A., & Gini, G. (2014). Peer influences on moral disengagement in late childhood and early adolescence. Journal of Youth and Adolescence, 43, 193–207. doi:10.1007/s10964-013-9953-1
   PubMed Web of Science ®Google Scholar
• Carver, C. S., & Scheier, M. (1981). Attention and self-regulation: A control-theory approach to human behavior. New York: Springer-Verlag. doi:10.1007/978-1-4612-5887-2.
   Google Scholar
• Cialdini, R. B. (2003). Crafting normative messages to protect the environment. Current Directions in Psychological Science, 12, 105–109. doi:10.1111/1467-8721.01242
   Web of Science ®Google Scholar
• Cialdini, R. B., Reno, R. R., & Kallgren, C. A. (1990). A focus theory of normative conduct: Recycling the concept of norms to reduce littering in public places. Journal of Personality and Social Psychology, 58, 1015–1026. doi:10.1037/0022-3514.58.6.1015
   Web of Science ®Google Scholar
• Cialdini, R. B., & Trost, M. (1998). Social influence: Social norms, conformity and compliance. In D. Gilbert, S. T. Fiske, & G. Lindzey (Eds.), The handbook of social psychology, fourth edition (pp. 151–192). New York: McGraw-Hill.
   Google Scholar
• Codol, J. P. (1973). Le phénomène de la “conformité supérieure de soi” dans une situation d’estimation perceptive de stimulus physiques [The phenomenon of "superior conformity of self" in a situation of perceptual estimation of physical stimuli]. Cahiers de Psychologie, 16, 11–23. doi:10.3406/psy.1973.28005
   Google Scholar
• Codol, J. P. (1975). “Effet PIP” et conflit de normes [PIP Effect and Conflict of Standards]. L’Année Psychologique, 75, 127–145. doi:10.3406/psy.1975.28082
   Web of Science ®Google Scholar
• Cook, C. R., Williams, K. R., Guerra, N. G., Kim, T. E., & Sadek, S. (2010). Predictors of bullying and victimization in childhood and adolescence: A meta-analytic investigation. School Psychology Quarterly, 25, 65–83. doi:10.1037/a0020149
   Web of Science ®Google Scholar
• Craig, W. M., Pepler, D., & Atlas, R. (2000). Observations of bullying in the playground and in the classroom. School Psychology International, 21, 22–36. doi:10.1177/0143034300211002
   Web of Science ®Google Scholar
• Desmet, A., Bastiaensens, S., Van Cleemput, K., Poels, K., Vandebosch, H., & De Bourdeaudhuij, I. (2012). Mobilizing bystanders of cyberbullying: An exploratory study into behavioural determinants of defending the victim. Annual Review of Cybertherapy and Telemedicine, 10, 58–63. doi:10.3233/978-1-61499-121-2-58
   Google Scholar
• Faris, R., & Felmlee, D. (2014). Casualties of social combat: School networks of peer victimization and their consequences. American Sociological Review, 79, 228–257. doi:10.1177/0003122414524573
   Web of Science ®Google Scholar
• Fox, C. L., Jones, S. E., Stiff, C. E., & Sayers, J. (2014). Does the gender of the bully/victim dyad and the type of bullying influence children’s responses to a bullying incident? Aggressive Behavior, 40, 359–368. doi:10.1002/ab.21529
   PubMed Web of Science ®Google Scholar
• Garandeau, C. F., Lee, I. A., & Salmivalli, C. (2014). Inequality matters: Classroom status hierarchy and adolescents’ bullying. Journal of Youth and Adolescence, 43, 1123–1133. doi:10.1007/s10964-013-0040-4
   PubMed Web of Science ®Google Scholar
• Gini, G., Albiero, P., Benelli, B., & Altoè, G. (2007). Does empathy predict adolescents’ bullying and defending behavior? Aggressive Behavior, 33, 467–476. doi:10.1002/ab.20204
   PubMed Web of Science ®Google Scholar
• Gini, G., Albiero, P., Benelli, B., & Altoe, G. (2008a). Determinants of adolescents’ active defending and passive bystanding behavior in bullying. Journal of Adolescence, 31, 93–105. doi:10.1016/j.adolescence.2007.05.002
   PubMed Web of Science ®Google Scholar
• Gini, G., Pozzoli, T., Borghi, F., & Franzoni, L. (2008b). The role of bystanders in students’ perception of bullying and sense of safety. Journal of School Psychology, 46, 617–638. doi:10.1016/j.jsp.2008.02.001
   PubMed Web of Science ®Google Scholar
• Gladden, R. M., Vivolo-Kantor, A. M., Hamburger, M. E., & Lumpkin, C. D. (2014). Bullying surveillance among youths: Uniform definitions for public health and recommended data elements, Version 1.0. National Center for Injury Prevention and Control, Centers for Disease Control and Prevention and U.S. Department of Education. Atlanta: CDC.
   Google Scholar
• Hagger, M. S., & Chatzisarantis, N. L. (2005). First‐and higher‐order models of attitudes, normative influence, and perceived behavioural control in the theory of planned behaviour. British Journal of Social Psychology, 44, 513–535. doi:10.1348/014466604X16219
   PubMed Web of Science ®Google Scholar
• Hawkins, D., Pepler, D. J., & Craig, W. M. (2001). Naturalistic observations of peer interventions in bullying. Social Development, 10, 512–527. doi:10.1111/1467-9507.00178
   Web of Science ®Google Scholar
• Hodges, E. V., Boivin, M., Vitaro, F., & Bukowski, W. M. (1999). The power of friendship: Protection against an escalating cycle of peer victimization. Developmental Psychology, 35, 94. doi:10.1037/0012-1649.35.1.94
   PubMed Web of Science ®Google Scholar
• Hoorn, J., Dijk, E., Meuwese, R., Rieffe, C., & Crone, E. A. (2016). Peer influence on prosocial behavior in adolescence. Journal of Research on Adolescence, 26, 90–100. doi:10.1111/jora.12173
   Web of Science ®Google Scholar
• Isaacs, J., Hodges, E. V., & Salmivalli, C. (2008). Long-term consequences of victimization by peers: A follow-up from adolescence to young adulthood. International Journal of Developmental Science, 2, 387–397. doi:10.3233/DEV-2008-2404
   Google Scholar
• Juvonen, J., & Graham, S. (2014). Bullying in schools: The power of bullies and the plight of victims. Annual Review of Psychology, 65, 159–185. doi:10.1080/13548506.2017.1279740
   PubMed Web of Science ®Google Scholar
• Kärnä, A., Voeten, M., Little, T. D., Poskiparta, E., Kaljonen, A., & Salmivalli, C. (2011). A large‐scale evaluation of the KiVa antibullying program: Grades 4–6. Child Development, 82, 311–330. doi:10.1111/j.1467-8624.2010.01557.x
   PubMed Web of Science ®Google Scholar
• Kempf, W. F., & Hilke, R. (1977). The measurement of social norm. In W. F. Kempf & B. H. Repp (Eds.), Mathematical models for social psychology (pp. 14–68). London: Wiley.
   Google Scholar
• Kubiszewski, V. (2016). Prévalence des élèves témoins de harcèlement scolaire et difficultés associées: Résultats préliminaires [Prevalence of school-bullying witnesses and associated difficulties]. Pratiques Psychologiques. 22, 205–219. doi:10.1016/j.prps.2016.02.001
   Web of Science ®Google Scholar
• Latané, B., & Darley, J. M. (1970). The unresponsive bystander: Why doesn’t he help? New York: Prentice Hall.
   Google Scholar
• Machackova, H., & Pfetsch, J. (2016). Bystanders’ responses to offline bullying and cyberbullying: The role of empathy and normative beliefs about aggression. Scandinavian Journal of Psychology, 57, 169–176. doi:10.1111/sjop.12277
   PubMed Web of Science ®Google Scholar
• Mackie, G., Moneti, F., Denny, E., & Shakya, H. (2012). What are social norms? How are they measured? University of California at San Diego-UNICEF Working Paper, San Diego.
   Google Scholar
• Meter, D. J., & Card, N. A. (2015). Defenders of victims of peer aggression: Interdependence theory and an exploration of individual, interpersonal, and contextual effects on the defender participant role. Developmental Review, 38, 222–240. doi:10.1016/j.dr.2015.08.001
   Web of Science ®Google Scholar
• Meter, D. J., & Card, N. A. (2016). Identifying defenders of peer victimization. Journal of Adolescence, 49, 77–80. doi:10.1016/j.adolescence.2016.02.010
   PubMed Web of Science ®Google Scholar
• Miller, D., & McFarland, C. (1991). When social comparison goes awry: The case of pluralistic ignorance. Social comparison: Contemporary theory and research (pp. 287–313). Hillsdale, NJ: Lawrence Erlbaum Associates.
   Google Scholar
• Ministère de l’Education Nationale [Ministry of National Education]. (2015). Repères et références statistiques sur les enseignements, la formation et la recherche. Retrieved from http://cache.media.education.gouv.fr/file/2015/67/6/depp_rers_2015_454676.pdf
   Google Scholar
• Mulvey, K. L., & Killen, M. (2016). Keeping quiet just wouldn’t be right: Children’s and adolescents’ evaluations of challenges to peer relational and physical aggression. Journal of Youth and Adolescence, 45, 1824–1835. doi:10.1007/s10964-016-0437-y
   PubMed Web of Science ®Google Scholar
• Nickerson, A. B., & Mele-Taylor, D. (2014). Empathetic responsiveness, group norms, and prosocial affiliations in bullying roles. School Psychology Quarterly, 29, 99. doi:10.1037/spq0000052
   PubMed Web of Science ®Google Scholar
• O’Brien, N. (2014). “I didn’t want to be known as a snitch”: Using PAR to explore bullying in a private day and boarding school. Childhood Remixed. Conference Edition, February, 2014, pp. 86–96. Retrieved from https://www.researchgate.net/publication/260488127_I_didn't_want_to_be_known_as_a_snitch_Using_PAR_to_explore_bullying_in_a_private_day_and_boarding_school
   Google Scholar
• O’Connell, P., Pepler, D., & Craig, W. (1999). Peer involvement in bullying: Insights and challenges for intervention. Journal of Adolescence, 22, 437–452. doi:10.1006/jado.1999.0238
   PubMed Web of Science ®Google Scholar
• Oh, I., & Hazler, R. J. (2009). Contributions of personal and situational factors to bystanders’ reactions to school bullying. School Psychology International, 30, 291–310. doi:10.1177/0143034309106499
   Web of Science ®Google Scholar
• Oldenburg, B., Van Duijn, M., & Veenstra, R. (2018). Defending one's friends, not one's enemies: A social network analysis of children's defending, friendship, and dislike relationships using XPNet. PLoS One, 13, e0194323. doi:10.1371/journal.pone.0194323
   PubMed Web of Science ®Google Scholar
• Olweus, D. (2013). School bullying: Development and some important challenges. Annual Review of Clinical Psychology, 9, 751–780. doi:10.1146/annurev-clinpsy-050212-185516
   PubMed Web of Science ®Google Scholar
• Olweus, D., & Limber, S. P. (2010). Bullying in school: Evaluation and dissemination of the Olweus Bullying Prevention Program. American Journal of Orthopsychiatry, 80, 124–134. doi:10.1111/j.1939-0025.2010.01015.x
   PubMed Web of Science ®Google Scholar
• Peets, K., Pöyhönen, V., Juvonen, J., & Salmivalli, C. (2015). Classroom norms of bullying alter the degree to which children defend in response to their affective empathy and power. Developmental psychology, 51, 913–920. doi:10.1037/a0039287.
   PubMed Web of Science ®Google Scholar
• Perkins, H. W., Craig, D. W., & Perkins, J. M. (2011). Using social norms to reduce bullying: A research intervention among adolescents in five middle schools. Group Processes & Intergroup Relations, 14, 703–722. doi:10.1177/1368430210398004
   Web of Science ®Google Scholar
• Peugh, J. L. (2010). A practical guide to multilevel modeling. Journal of School Psychology, 48, 85–112. doi:10.1016/j.jsp.2009.09.002
   PubMed Web of Science ®Google Scholar
• Pöyhönen, V., Juvonen, J., & Salmivalli, C. (2010). What does it take to stand up for the victim of bullying? The interplay between personal and social factors. Merrill-Palmer Quarterly, 56, 143–163. doi:10.1353/mpq.0.0046
   Web of Science ®Google Scholar
• Pöyhönen, V., Juvonen, J., & Salmivalli, C. (2012). Standing up for the victim, siding with the bully or standing by? Bystander responses in bullying situations. Social Development, 21, 722–741. doi:10.1111/j.1467-9507.2012.00662.x
   Web of Science ®Google Scholar
• Pozzoli, T., Ang, R. P., & Gini, G. (2012a). Bystanders’ reactions to bullying: A cross‐cultural analysis of personal correlates among Italian and Singaporean students. Social Development, 21, 686–703. doi:10.1111/j.1467-9507.2011.00651.x
   Web of Science ®Google Scholar
• Pozzoli, T., & Gini, G. (2010). Active defending and passive bystanding behavior in bullying: The role of personal characteristics and perceived peer pressure. Journal of Abnormal Child Psychology, 38, 815–827. doi:10.1007/s10802-010-9399-9
   PubMed Web of Science ®Google Scholar
• Pozzoli, T., Gini, G., & Vieno, A. (2012b). The role of individual correlates and class norms in defending and passive bystanding behavior in bullying: A multilevel analysis. Child Development, 83, 1917–1931. doi:10.1111/j.1467-8624.2012.01831.x
   PubMed Web of Science ®Google Scholar
• Pronk, J., Goossens, F. A., Olthof, T., De Mey, L., & Willemen, A. M. (2013). Children’s intervention strategies in situations of victimization by bullying: Social cognitions of outsiders versus defenders. Journal of School Psychology, 51, 669–682. doi:10.1016/j.jsp.2013.09.002
   PubMed Web of Science ®Google Scholar
• Reijntjes, A., Vermande, M., Olthof, T., Goossens, F. A., Aleva, L., & van der Meulen, M. (2016). Defending victimized peers: Opposing the bully, supporting the victim, or both? Aggressive Behavior. 42, 585–597. doi:10.1002/ab.21653
   PubMed Web of Science ®Google Scholar
• Reynolds, K. J., Subasic, E., & Tindall, K. (2015). The problem of behaviour change: From social norms to an ingroup focus. Social and Personality Psychology Compass, 9, 45–56. doi:10.1111/spc3.12155
   Web of Science ®Google Scholar
• Rigby, K. (2000). Effects of peer victimization in schools and perceived social support on adolescent well-being. Journal of Adolescence, 23, 57–68. doi:10.1006/jado.1999.0289
   PubMed Web of Science ®Google Scholar
• Rigby, K., & Johnson, B. (2006). Expressed readiness of Australian schoolchildren to act as bystanders in support of children who are being bullied. Educational Psychology, 26, 425–440. doi:10.1080/01443410500342047
   Google Scholar
• Rivers, I., Poteat, V. P., Noret, N., & Ashurst, N. (2009). Observing bullying at school: The mental health implications of witness status. School Psychology Quarterly, 24, 211–223. doi:10.1037/a0018164
   Web of Science ®Google Scholar
• Sainio, M., Veenstra, R., Huitsing, G., & Salmivalli, C. (2011). Victims and their defenders: A dyadic approach. International Journal of Behavioral Development, 35, 144–151. doi:10.1177/0165025410378068
   Web of Science ®Google Scholar
• Salmivalli, C. (1999). Participant role approach to school bullying: Implications for interventions. Journal of Adolescence, 22, 453–459. doi:10.1006/jado.1999.0239
   PubMed Web of Science ®Google Scholar
• Salmivalli, C. (2010). Bullying and the peer group: A review. Aggression and Violent Behavior, 15, 112–120. doi:10.1016/j.avb.2009.08.007
   Web of Science ®Google Scholar
• Salmivalli, C., Lagerspetz, K., Björkqvist, K., Österman, K., & Kaukiainen, A. (1996). Bullying as a group process: Participant roles and their relations to social status within the group. Aggressive Behavior, 22, 1–15. doi:10.1002/(SICI)1098-2337(1996)22:1 < 1::AID-AB1 > 3.0.CO;2-T
   Web of Science ®Google Scholar
• Salmivalli, C., & Voeten, M. (2004). Connections between attitudes, group norms, and behaviour in bullying situations. International Journal of Behavioral Development, 28, 246–258. doi:10.1080/01650250344000488
   Web of Science ®Google Scholar
• Salmivalli, C., Voeten, M., & Poskiparta, E. (2011). Bystanders matter: Associations between reinforcing, defending, and the frequency of bullying behavior in classrooms. Journal of Clinical Child & Adolescent Psychology, 40, 668–676. doi:10.1080/15374416.2011.597090
   PubMed Web of Science ®Google Scholar
• Sandstrom, M. J., & Bartini, M. (2010). Do perceptions of discrepancy between self and group norms contribute to peer harassment at school? Basic and Applied Social Psychology, 32, 217–225. doi:10.1080/01973533.2010.495645
   Web of Science ®Google Scholar
• Sandstrom, M. J., Makover, H., & Bartini, M. (2013). Social context of bullying: Do misperceptions of group norms influence children’s responses to witnessed episodes? Social Influence, 8, 196–215. doi:10.1080/15534510.2011.651302
   Web of Science ®Google Scholar
• Sherif, M. (1936). The psychology of social norms. Oxford: Harper.
   Google Scholar
• Smith, J. R., Louis, W. R., Terry, D. J., Greenaway, K. H., Clarke, M. R., & Cheng, X. (2012). Congruent or conflicted? The impact of injunctive and descriptive norms on environmental intentions. Journal of Environmental Psychology, 32, 353–361. doi:10.1016/j.jenvp.2012.06.001
   Web of Science ®Google Scholar
• Sugai, G., & Horner, R. R. (2006). A promising approach for expanding and sustaining school-wide positive behavior support. School Psychology Review, 35, 245–259.
   Web of Science ®Google Scholar
• Thomas, H. J., Connor, J. P., & Scott, J. G. (2018). Why do children and adolescents bully their peers? A critical review of key theoretical frameworks. Social Psychiatry and Psychiatric Epidemiology, 53, 437–451. doi:10.1007/s00127-017-1462-1
   PubMed Web of Science ®Google Scholar
• Thornberg, R., & Jungert, T. (2013). Bystander behavior in bullying situations: Basic moral sensitivity, moral disengagement and defender self-efficacy. Journal of Adolescence, 36, 475–483. doi:10.1016/j.adolescence.2013.02.003
   PubMed Web of Science ®Google Scholar
• Thornberg, R., Wanstrom, L., Sung Hong, J. & Espelage, D. (2017). Classroom relationship qualities and social-cognitive correlates of defending and passive bystanding in school bullying in Sweden: A multilevel analysis. Journal of School Psychology, 63, 49–62. doi:10.1016/j.jsp.2017.03.002
   PubMed Web of Science ®Google Scholar
• Van der Ploeg, R., Kretschmer, T., Salmivalli, C., & Veenstra, R. (2017). Defending victims: What does it take to intervene in bullying and how is it rewarded by peers? Journal of School Psychology, 65, 1–10. doi:10.1016/j.jsp.2017.06.002
   PubMed Web of Science ®Google Scholar
• Veenstra, R., Lindenberg, S., Huitsing, G., Sainio, M., & Salmivalli, C. (2014). The role of teachers in bullying: The relation between antibullying attitudes, efficacy, and efforts to reduce bullying. Journal of Educational Psychology, 106, 1135. doi:10.1037/a0036110
   Web of Science ®Google Scholar
• Wood, L., Smith, J., Varjas, K., & Meyers, J. (2017). School personnel social support and nonsupport for bystanders of bullying: Exploring student perspectives. Journal of School Psychology, 61, 1–17. doi:10.1016/j.jsp.2016.12.003
   PubMed Web of Science ®Google Scholar
• Zych, I., Ortega-Ruiz, R., & Del Rey, R. (2015). Systematic review of theoretical studies on bullying and cyberbullying: Facts, knowledge, prevention, and intervention. Aggression and Violent Behavior, 23, 1–21. doi:10.1016/j.avb.2015.10.001
   Web of Science ®Google Scholar