So you want to study bullying? Recommendations to enhance the validity, transparency, and compatibility of bullying research

American Psychological Association, 2010 Arora, 1996, Defining bullying toward a clearer general understanding and more effective intervention strategies, School Psychology International, 17, 317, 10.1177/0143034396174002 Barboza, 2009, Individual characteristics and the multiple contexts of adolescent bullying: An ecological perspective, Journal of Youth and Adolescence, 38, 101, 10.1007/s10964-008-9271-1 Bauman, 2013, Definitions: Another perspective and a proposal for beginning with cyberaggression, 41 Bazelon, 2013 Bender, 2011, Bullying at school as a predictor of delinquency, violence and other anti-social behaviour in adulthood, Criminal Behaviour and Mental Health, 21, 99, 10.1002/cbm.799 Berger, 2009, Male and female victims of male bullies: Social status differences by gender and informant source, Sex Roles, 61, 72, 10.1007/s11199-009-9605-9 Book, 2012, Adolescent bullying and personality: An adaptive approach, Personality and Individual Differences, 52, 218, 10.1016/j.paid.2011.10.028 Bouman, 2012, Peer and self-reports of victimization and bullying: Their differential association with internalizing problems and social adjustment, Journal of School Psychology, 50, 759, 10.1016/j.jsp.2012.08.004 Bradshaw, 2015, Translating research to practice in bullying prevention, American Psychologist, 70, 322, 10.1037/a0039114 Cappadocia, 2012, Individual motivations and characteristics associated with bystander intervention during bullying episodes among children and youth, Canadian Journal of School Psychology, 27, 201, 10.1177/0829573512450567 Casper, 2015, Addressing measurement issues related to bullying involvement, School Psychology Review, 44, 353, 10.17105/spr-15-0036.1 Chadaga, 2016, Bullying in the American graduate medical education system: A national cross-sectional survey, PLoS One, 11, 10.1371/journal.pone.0150246 Copeland, 2013, Adult psychiatric outcomes of bullying and being bullied by peers in childhood and adolescence, Journal of the American Medical Association, Psychiatry, 70, 419 Copeland, 2014, Childhood bullying involvement predicts low-grade systemic inflammation into adulthood, Proceedings of the National Academy of Sciences, 111, 7570, 10.1073/pnas.1323641111 Corcoran, 2015, Cyberbullying or cyber aggression?: A review of existing definitions of cyber-based peer-to-peer aggression, Societies, 5, 245, 10.3390/soc5020245 Cornell, 2015, Law and policy on the concept of bullying at school, American Psychologist, 70, 333, 10.1037/a0038558 Cornell, 2006, Assessment of bullying, 191 Cornell, 2010, Assessment of bullying, 265 Cowie, 2002, Measuring workplace bullying, Aggression and Violent Behavior, 7, 33, 10.1016/S1359-1789(00)00034-3 Craig, 2009, A cross-national profile of bullying and victimization among adolescents in 40 countries, International Journal of Public Health, 54, 216, 10.1007/s00038-009-5413-9 Craig, 2000, Observations of bullying in the playground and in the classroom, School Psychology International, 21, 22, 10.1177/0143034300211002 Craig, 1998, Observations of bullying and victimization in the school yard, Canadian Journal of School Psychology, 13, 41, 10.1177/082957359801300205 Cunningham, 2009, Modeling the bullying prevention program preferences of educators: A discrete choice conjoint experiment, Journal of Abnormal Child Psychology, 37, 929, 10.1007/s10802-009-9324-2 Dake, 2003, The nature and extent of bullying at school, Journal of School Health, 73, 173, 10.1111/j.1746-1561.2003.tb03599.x Davies, 1985, Longitudinal versus cross-sectional methods for behavioural research: A first-round knockout, Environment and Planning A, 17, 1315, 10.1068/a171315 deLara, 2012, Why adolescents don't disclose incidents of bullying and harassment, Journal of School Violence, 11, 288, 10.1080/15388220.2012.705931 Dijkstra, 2008, Beyond the class norm: Bullying behavior of popular adolescents and its relation to peer acceptance and rejection, Journal of Abnormal Child Psychology, 36, 1289, 10.1007/s10802-008-9251-7 Ehrenreich, 2014, Adolescents' text message communication and growth in antisocial behavior across the first year of high school, Journal of Abnormal Child Psychology, 42, 251, 10.1007/s10802-013-9783-3 Ellis, 2016, An evolutionary approach to reducing bullying: Theoretical bases and presentation of the meaningful roles intervention, Journal of Research on Adolescence, 26, 622, 10.1111/jora.12243 End, 2002, Identifying with winners: A reexamination of sport fans' tendency to BIRG, Journal of Applied Social Psychology, 32, 1017, 10.1111/j.1559-1816.2002.tb00253.x Espelage, 2003, Examination of peer-group contextual effects on aggression during early adolescence, Child Development, 74, 205, 10.1111/1467-8624.00531 Espelage, 2014, Family violence, bullying, fighting, and substance use among adolescents: A longitudinal mediational model, Journal of Research on Adolescence, 24, 337, 10.1111/jora.12060 Espelage, 2017, Trajectories of bully perpetration across early adolescence: Static risk factors, dynamic covariates, and longitudinal outcomes, Psychology of Violence Faul, 2007, G*Power 3: A flexible statistical power analysis program for the social, behavioral, and biomedical sciences, Behavior Research Methods, 39, 10.3758/BF03193146 Fekkes, 2005, Bullying: Who does what, when and where? Involvement of children, teachers and parents in bullying behavior, Health Education Research, 20, 81, 10.1093/her/cyg100 Finkelhor, 2012, Let's prevent peer victimization, not just bullying, Child Abuse & Neglect, 36, 10.1016/j.chiabu.2011.12.001 Flanagan, 2008, Lucifer goes to law school: Toward explaining and minimizing law student peer-to-peer harassment and intimidation, Washburn Law Journal, 47, 453 Flaspohler, 2009, Stand by me: The effects of peer and teacher support in mitigating the impact of bullying on quality of life, Psychology in the Schools, 46, 636, 10.1002/pits.20404 Fodor, 1982, The power motive as an influence on group decision making, Journal of Personality and Social Psychology, 42, 178, 10.1037/0022-3514.42.1.178 Forsberg, 2016, The social ordering of belonging: Children's perspectives on bullying, International Journal of Educational Research, 78, 13, 10.1016/j.ijer.2016.05.008 Frey, 2015, Revenge is seductive, if not sweet: Why friends matter for prevention efforts, Journal of Applied Developmental Psychology, 37, 25, 10.1016/j.appdev.2014.08.002 Garandeau, 2014, Differential effects of the KiVa anti-bullying program on popular and unpopular bullies, Journal of Applied Developmental Psychology, 35, 44, 10.1016/j.appdev.2013.10.004 Garandeau, 2014, Inequality matters: Classroom status hierarchy and adolescents' bullying, Journal of Youth and Adolescence, 43, 1123, 10.1007/s10964-013-0040-4 Garbarino, 2002 Gavrilets, 2012, On the evolutionary origins of the egalitarian syndrome, Proceedings of the National Academy of Sciences, 109, 14069, 10.1073/pnas.1201718109 Gladden, 2014 Glass, 1996 Graham, 1998, A social-cognitive perspective on peer aggression and victimization, Advances in Child Development and Behavior, 13, 21 Green, 2013, Identifying bully victims: Definitional versus behavioral approaches, Psychological Assessment, 25, 651, 10.1037/a0031248 Greif, 2006, The assessment of school bullying: Using theory to inform practice, Journal of School Violence, 5, 33, 10.1300/J202v05n03_04 Griffin, 2004, Childhood bullying: Current empirical findings and future directions for research, Aggression and Violent Behavior, 9, 379, 10.1016/S1359-1789(03)00033-8 Hamburger, 2011 Hawker, 2000, Twenty years' research on peer victimization and psychosocial maladjustment: A meta-analytic review of cross-sectional studies, Journal of Child Psychology and Psychiatry, 41, 441, 10.1111/1469-7610.00629 Hawkins, 2001, Naturalistic observations of peer interventions in bullying, Social Development, 10, 512, 10.1111/1467-9507.00178 Hawley, 2011, Sidestepping the jingle fallacy, 101 Hellström, 2015, Understanding and defining bullying-adolescents' own views, Archives of Public Health, 73, 4, 10.1186/2049-3258-73-4 Hong, 2012, A review of research on bullying and peer victimization in school: An ecological systems analysis, Aggression and Violent Behavior, 17, 311, 10.1016/j.avb.2012.03.003 Huitsing, 2012, Univariate and multivariate models of positive and negative networks: Liking, disliking, and bully-victim relationships social networks, Social Networks, 34, 645, 10.1016/j.socnet.2012.08.001 Huitsing, 2012, Bullying in classrooms: Participant roles from a social network perspective, Aggressive Behavior, 38, 494, 10.1002/ab.21438 Huitsing, 2012, “It must be me” or “It could be them?”: The impact of the social network position of bullies and victims on victims' adjustment, Social Networks, 34, 379, 10.1016/j.socnet.2010.07.002 Hunter, 2007, Perceptions and correlates of peer-victimization and bullying, British Journal of Educational Psychology, 77, 797, 10.1348/000709906X171046 Hymel, 2015, Four decades of research on school bullying: An introduction, American Psychologist, 70, 293, 10.1037/a0038928 Hymel, 1990, Reputational bias: View from the peer group, 156 Iudici, 2014, What program works with bullying in school setting? Personal, social, and clinical implications of traditional and innovative intervention programs, Procedia - Social and Behavioral Sciences, 116, 4425, 10.1016/j.sbspro.2014.01.960 Khosla, 1968, Unfairness of certain events in the Olympic games, British Medical Journal, 4, 111, 10.1136/bmj.4.5623.111 Knoke, 2008 Kretschmer, 2017, How competent are adolescent bullying perpetrators and victims in mastering normative developmental tasks in early adulthood?, Journal of Abnormal Child Psychology Ladd, 2002, Identifying victims of peer aggression from early to middle childhood: Analysis of cross-informant data for concordance, estimation of relational adjustment, prevalence of victimization, and characteristics of identified victims, Psychological Assessment, 14, 74, 10.1037/1040-3590.14.1.74 Lee, 2009, Concurrent validity of the Olweus bully/victim questionnaire, Journal of School Violence, 9, 56, 10.1080/15388220903185613 Lodder, 2015, Bully victimization: Selection and influence within adolescent friendship networks and cliques, Journal of Youth and Adolescence, 45, 132, 10.1007/s10964-015-0343-8 Maestripieri, 2012 Mancilla-Caceres, 2015, A computer game-based method for studying bullying and cyberbullying, Journal of School Violence, 14, 66, 10.1080/15388220.2014.963593 Mancilla-Caceres, 2012, A computer-in-the-loop approach for detecting bullies in the classroom, 139 Marini, 2006, Direct and indirect bully-victims: Differential psychosocial risk factors associated with adolescents involved in bullying and victimization, Aggressive Behavior, 32, 551, 10.1002/ab.20155 Marini, 2017, Toward a transdisciplinary blueprint to studying bullying, Journal of Youth Studies, 20, 94, 10.1080/13676261.2016.1184239 McClelland, 2000, Increasing statistical power without increasing sample size, American Psychologist, 55, 693, 10.1037/0003-066X.55.8.963 Merrell, 2008, How effective are school bullying intervention programs? A meta-analysis of intervention research, School Psychology, 23, 26, 10.1037/1045-3830.23.1.26 Mishna, 2004, A qualitative study of bullying from multiple perspectives, Children and Schools, 26, 234, 10.1093/cs/26.4.234 Mishna, 2009, Ongoing and online: Children and youth's perceptions of cyber bullying, Children and Youth Services Review, 31, 1222, 10.1016/j.childyouth.2009.05.004 Mishna, 2008, Some of my best friends: Experiences of bullying within friendships, School Psychology International, 29, 549, 10.1177/0143034308099201 Monks, 2009, Bullying in different contexts: Commonalities, differences and the role of theory, Aggression and Violent Behavior, 14, 146, 10.1016/j.avb.2009.01.004 Mouttapa, 2004, Social network predictors of bullying and victimization, Adolescence, 39, 315 Nansel, 2003, Operationally defining bullying—Reply, Archives of Pediatrics & Adolescent Medicine, 157, 1135, 10.1001/archpedi.157.11.1135 O'Connell, 1999, Peer involvement in bullying: Insights and challenges for intervention, Journal of Adolescence, 22, 437, 10.1006/jado.1999.0238 Ojala, 2004, Bullying and social identity: The effects of group norms and distinctiveness threat on attitudes toward bullying, British Journal of Developmental Psychology, 22, 19, 10.1348/026151004772901096 Oldenburg, 2015, Peer and self-reported victimization: Do non-victimized students give victimization nominations to classmates who are self-reported victims?, Journal of School Psychology, 53, 309, 10.1016/j.jsp.2015.05.003 Oldenburg, 2016, Are elementary school teachers prepared to tackle bullying? A pilot study, School Psychology International, 37, 64, 10.1177/0143034315623324 Olweus, 1993 Olweus, 2010, Understanding and researching bullying: Some critical issues, 9 Olweus, 2013, School bullying: Development and some important challenges, Annual Review of Clinical Psychology, 9, 751, 10.1146/annurev-clinpsy-050212-185516 Owuamanam, 2015, Prevalence of bullying among secondary school students in Ondo State, Nigeria, European Scientific Journal, 11, 326 Pack, 2011, Evaluation of the safe school ambassadors program: A student-led approach to reducing mistreatment and bullying in schools, The Clearing House: A Journal of Educational Strategies, Issues and Ideas, 84, 127, 10.1080/00098655.2011.564974 Parker, 2012 Patton, 2017, A systematic review of research strategies used in qualitative studies on school bullying and victimization, Trauma, Violence & Abuse, 18, 3, 10.1177/1524838015588502 Pellegrini, 2000, An empirical comparison of methods of sample aggression and victimization in school settings, Journal of Educational Psychology, 92, 360, 10.1037/0022-0663.92.2.360 Pepler, 1995, A peek behind the fence: Naturalistic observations of aggressive children with remote audiovisual recording, Developmental Psychology, 31, 548, 10.1037/0012-1649.31.4.548 Pepler, 2008, Developmental trajectories of bullying and associated factors, Child Development, 79, 325, 10.1111/j.1467-8624.2007.01128.x Perry, 1988, Victims of peer aggression, Developmental Psychology, 24, 807, 10.1037/0012-1649.24.6.807 Polanin, 2012, A meta-analysis of school-based bullying prevention programs' effects on bystander intervention behavior, School Psychology Review, 41, 47, 10.1080/02796015.2012.12087375 Reijntjes, 2013, Costs and benefits of bullying in the context of the peer group: A three wave longitudinal analysis, Journal of Abnormal Child Psychology, 41, 1217, 10.1007/s10802-013-9759-3 Renger, 2002, A three-step approach to teaching logic models, American Journal of Evaluation, 23, 493, 10.1177/109821400202300409 Rigby, 2010 Rigby, 2006, Expressed readiness of Australian schoolchildren to act as bystanders in support of children who are being bullied, Educational Psychology, 26, 425, 10.1080/01443410500342047 Rodkin, 2015, A relational framework for understanding bullying: Developmental antecedents and outcomes, American Psychologist, 70, 311, 10.1037/a0038658 Rushton, 1983, Behavioral development and construct validity: The principle of aggregation, Psychological Bulletin, 94, 18, 10.1037/0033-2909.94.1.18 Ryan, 2009, Antibullying programs in schools: How effective are evaluation practices?, Prevention Science, 10, 248, 10.1007/s11121-009-0128-y Saarento, 2015, Reducing bullying and victimization: Student- and classroom-level mechanisms of change, Journal of Abnormal Child Psychology, 43, 61, 10.1007/s10802-013-9841-x Salin, 2003, Ways of explaining workplace bullying: A review of enabling, motivating and precipitating structures and processes in the work environment, Human Relations; Studies Towards the Integration of the Social Sciences, 56, 1213 Salmivalli, 2010, Bullying and the peer group: A review, Aggression and Violent Behavior, 15, 112, 10.1016/j.avb.2009.08.007 Salmivalli, 2011, Counteracting bullying in Finland: The KiVa program and its effects on different forms of being bullied, International Journal of Behavioral Development, 35, 405, 10.1177/0165025411407457 Salmivalli, 1996, Bullying as a group process: Participant roles and their relations to social status within the group, Aggressive Behavior, 22, 1, 10.1002/(SICI)1098-2337(1996)22:1<1::AID-AB1>3.0.CO;2-T Salmivalli, 2011, Bystanders matter: Associations between reinforcing, defending, and the frequency of bullying behavior in classrooms, Journal of Clinical Child & Adolescent Psychology, 40, 668, 10.1080/15374416.2011.597090 Schwartz, 2001, The aggressive victim of bullying: Emotional and behavioral dysregulation as a pathway to victimization by peers, 147 Sentse, 2013, The dynamics of friendships and victimization in adolescence: A longitudinal social network perspective, Aggressive Behavior, 39, 229, 10.1002/ab.21469 Sercombe, 2013, Bullying and agency: Definition, intervention, and ethics, Journal of Youth Studies, 16, 491, 10.1080/13676261.2012.725834 Shepperd, 2008, Exploring causes of the self-serving bias, Social and Personality Psychology Compass, 2, 895, 10.1111/j.1751-9004.2008.00078.x Sijtsema, 2009, Empirical test of bullies' status goals: Assessing direct goals, aggression, and prestige, Aggressive Behavior, 35, 57, 10.1002/ab.20282 Smith, 2007, Antibullying programs: A survey of evaluation activities in public schools, Studies in Educational Evaluation, 33, 120, 10.1016/j.stueduc.2007.04.002 Smith, 2004, Bullying: Recent developments, Child and Adolescent Mental Health, 9, 98, 10.1111/j.1475-3588.2004.00089.x Smith, 2016 Smith, 2012, Effectiveness of school-based programs to reduce bullying: A commentary, Journal of Experimental Criminology, 8, 433, 10.1007/s11292-012-9142-3 Sutton, 1999, Bullying and ‘theory of mind’: A critique of the ‘social skills deficit’ view of anti-social behaviour, Social Development, 8, 117, 10.1111/1467-9507.00083 Swearer, 2010, Assessment of bullying/victimization: The problem of comparability across studies and methodologies, 305 Swearer, 2017, Bullying intervention in adolescence: The intersection of legislation, policies, and behavioral change, Adolescent Research Review, 2, 23, 10.1007/s40894-016-0037-9 Swearer, 2008, “You're so gay!”: Do different forms of bullying matter for adolescent males?, School Psychology Review, 37, 160, 10.1080/02796015.2008.12087891 Thornberg, 2011, ‘She's weird!’—The social construction of bullying in school: A review of qualitative research, Children & Society, 25, 258, 10.1111/j.1099-0860.2011.00374.x Thornberg, 2015, The social dynamics of school bullying: The necessary dialogue between the blind men around the elephant and the possible meeting point at the social ecological square, Confero: Essays on Education, Philosophy and Politics, 161, 10.3384/confero.2001-4562.1506245 Troop-Gordon, 2017, Peer victimization in adolescence: The nature, progression, and consequences of being bullied within a developmental context, Journal of Adolescence, 55, 116, 10.1016/j.adolescence.2016.12.012 Ttofi, 2011, Effectiveness of school-based programs to reduce bullying: A systematic and meta-analytic approach, Journal of Experimental Criminology, 7, 27, 10.1007/s11292-010-9109-1 Ttofi, 2011, The predictive efficiency of school bullying versus later offending: A systematic/meta-analytic review of longitudinal studies, Criminal Behaviour and Mental Health, 21, 80, 10.1002/cbm.808 Turanovic, 2016, Violent offending and victimization in adolescence: Social network mechanisms and homophily, Criminology, 54, 487, 10.1111/1745-9125.12112 Turnbull, 1972 Underwood, 2012, The BlackBerry project: Capturing the content of adolescents' electronic communication, Developmental Psychology, 48, 295, 10.1037/a0025914 Vaillancourt, 2008, Bullying: Are researchers and children/youth talking about the same thing?, International Journal of Behavioral Development, 32, 486, 10.1177/0165025408095553 Vaillancourt, 2011, Intolerance of sexy peers: Intrasexual competition among women, Aggressive Behavior, 37, 569, 10.1002/ab.20413 Van der Ploeg, 2015, The intensity of victimization: associations with children's psychosocial well-being and social standing in the classroom, PLoS One, 10, 10.1371/journal.pone.0141490 Van der Ploeg, 2017 Van Noorden, 2016, Disentangling the frequency and severity of bullying and victimization in the association with empathy, Social Development, 25, 176, 10.1111/sode.12133 Veenstra, 2013, Network–behavior dynamics, Journal of Research on Adolescence, 23, 399, 10.1111/jora.12070 Veenstra, 2010, The complex relation between bullying, victimization, acceptance, and rejection: Giving special attention to status, affection, and sex differences, Child Development, 81, 480, 10.1111/j.1467-8624.2009.01411.x Veenstra, 2005, Bullying and victimization in elementary schools: A comparison of bullies, victims, bully/victims, and uninvolved preadolescents, Developmental Psychology, 41, 672, 10.1037/0012-1649.41.4.672 Veenstra, 2007, The dyadic nature of bullying and victimization: Testing a dual perspective theory, Child Development, 78, 1843, 10.1111/j.1467-8624.2007.01102.x Veenstra, 2013, Behind bullying and defending: Same-sex and other-sex relations and their associations with acceptance and rejection, Aggressive Behavior, 39, 462 Verlinden, 2014, Detecting bullying in early elementary school with a computerized peer-nomination instrument, Psychological Assessment, 26, 628, 10.1037/a0035571 Vitoroulis, 2014, Meta-analytic results of ethnic group differences in peer victimization, Aggressive Behavior, 49, 149 Vlachou, 2011, Bully/victim problems among preschool children: A review of current research evidence, Educational Psychology Review, 23, 329, 10.1007/s10648-011-9153-z Volk, 2012, Is adolescent bullying an evolutionary adaptation?, Aggressive Behavior, 38, 222, 10.1002/ab.21418 Volk, 2006, Adolescent risk correlates of bullying and different types of victimization, International Journal of Adolescent Medicine and Health, 18, 375, 10.1515/IJAMH.2006.18.4.575 Volk, 2014, What is bullying? A theoretical redefinition, Developmental Review, 34, 327, 10.1016/j.dr.2014.09.001 Volk, 2015, Adolescent bullying, dating, and mating: Testing an evolutionary hypothesis, Evolutionary Psychology, 13, 1, 10.1177/1474704915613909 Volk, 2009, Bullying and victimization among adolescent girl athletes, Athletic Insight, 11, 15 Wang, 2009, School bullying among adolescents in the United States: Physical, verbal, relational, and cyber, Journal of Adolescent Health, 45, 368, 10.1016/j.jadohealth.2009.03.021 Wolke, 2013, Impact of bullying in childhood on adult health, wealth, crime, and social outcomes, Psychological Science, 24, 1958, 10.1177/0956797613481608 Yang, 2015, Effectiveness of the KiVa antibullying programme on bully-victims, bullies and victims, Educational Research, 57, 80, 10.1080/00131881.2014.983724 Ybarra, 2014, Differentiating youth who are bullied from other victims of peer-aggression: The importance of differential power and repetition, Journal of Adolescent Health, 55, 293, 10.1016/j.jadohealth.2014.02.009 Yeager, 2015, Declines in efficacy of anti-bullying programs among older adolescents: Theory and a three-level meta-analysis, Journal of Applied Developmental Psychology, 37, 36, 10.1016/j.appdev.2014.11.005