Jane L. Ireland is a Forensic Psychologist, Chartered Psychologist and Chartered Scientist. Professor Ireland holds a professorial chair at the University of Central Lancashire and is Violence Treatment Lead within High Secure Services, Ashworth Hospital, Mersey Care NHS Trust. She is elected academy fellow of the Council of the Academy of Social Sciences and fellow of the International Society for Research on Aggression (ISRA). She holds three further (visiting/honorary) professorships at Åbo Akademi University in Finland, Charles Sturt University, Australia and Cardiff Metropolitan University. She has over 150 publications in forensic psychology, the majority of which fall within the area of aggression. Philip Birch, BSocSci.(Hons); PG Cert (HEP); PG Cert. (SSRM); PG Dip (SocSci); MSc; PhD is a Senior Lecturer in Criminology in the Centre for Law and Justice at Charles Sturt University, Australia. He has previously held posts at the University of Western Sydney, the University of New South Wales, Sydney, Australia and the University of Huddersfield, in the UK. Prior to entering academia, Philip worked as a criminologist in the field, holding posts in the UK prison service as well as in the crime and disorder field, which involved managing a specialist crime unit. Philip has published internationally, including books, book chapters, peer-reviewed articles and government reports in his main areas of research – offender management and rehabilitation; police, prisons and probation practices; gender symmetry violence with a particular focus on domestic family violence and sex work. He has secured over $790,000 in research grants, which have addressed a variety of themes within his areas of expertise. Philip holds an honorary research fellowship at the Institute of Positive Psychology and Education, Australia Catholic University and in the School of Psychology, University of Central Lancashire, UK, as well as being a Senior Research Associate in the Ashworth Research Centre, Mersey Health Care, National Health Services, UK. Philip is the Editor-in-Chief of the Journal of Criminological Research, Policy and Practice and currently sits on the editorial board of the Journal of Aggression, Conflict and Peace Research.Carol A. Ireland, PhD, is a Chartered Psychologist, Consultant Forensic Psychologist and Chartered Scientist. She works for Coastal Child and Adult Therapeutic Services – CCATS (www.ccats. org.uk), which is a community-based child and adult therapeutic service in the UK, and where she is the Sex Offender Lead, further leading on matters linked to sexual exploitation. She also works at the University of Central Lancashire, where she is the Director of Studies for the MSc in Forensic Psychology, as well as the Senior Research Lead at the Ashworth Research Centre, Ashworth Hospital, Mersey Care NHS Trust.

"This is one of the most up-to-date handbooks on the topic, currently avaialble, and will be of interest to anyone looking for a deeper insight into human aggression."— Roxanna Short, Journal of Mental Health

• Preface: Human Aggression: How far have we come? Jane L. Ireland, Philip Birch, Carol A IrelandSection I: Understanding general aggressionChapter 1. The development of aggression in childhood and adolescence: A focus on relationships. Debra PeplerChapter 2. Sex differences in aggression. Kaj Björkqvist, Karin ÖstermanChapter 3. Hegemonic masculinity and aggression. Ruschelle M. Leone, Dominic J. ParrottChapter 4. The biology of human aggression. Tracy A. Bedrosian, Randy J. NelsonChapter 5. Aggression motivation and inhibition: theoretical underpinnings and a new model. Ioan OhlssonChapter 6. Homicide adaptations. Joshua Duntley, David M. BussChapter 7. Human aggression from a cross-cultural perspective. Douglas P. FryChapter 8. Treatment intervention for aggression: Promoting individual change. Jane L. Ireland, Syeda BatoolSection II: Bullying across contextsChapter 9. Integrating multi-disciplinary social science theories and perspectives to understand school bullying and victimisation. Jun Sung Hong, Dorothy L. Espelage, Simon C. Hunter, Paula Allen-MearesChapter 10. Aggression in the workplace. Al-Karim SamnaniChapter 11. Cyberbullying. Robin KowalskiChapter 12. Alterophobic bullying and violence. Stephen James MintonSection III: Relationships and family aggressionChapter13. Violence to partners: gender symmetry revisited. John ArcherChapter 14. Stalking and harassment. David V. James, Rachel D. MacKenzieChapter 15. Animal maltreatment in households experiencing family violence. Shelby Elaine McDonaldChapter 16. Treating stalking behaviour: A framework for understanding process components. Philip Birch, Jane L. Ireland, Niki NinausChapter 17. Using the research evidence to inform the assessment and treatment of intimate partner aggression. Louise Dixon, Devon L. L. PolaschekChapter 18. Attitudes towards ‘honor’ violence and killings in collectivist cultures: Gender differences in Middle Eastern, North African, South Asian (MENASA) and Turkish populations. Roxanne KhanChapter 19. Towards evidence-based treatment of partner violence in LGBT relationships. Erica BowenChapter 20. Raising awareness, improving victim safety: Exploring the efficacy of proactive domestic and family violence prevention measures. Philip Birch, Irena VeljanovaSection IV: Sexual aggressionChapter 21. The development of sexual aggression: A tripartite model and a life span perspective. Howard E. Barbaree, Lynn O. Lightfoot, Robert A. PrentkyChapter 22. Examining harmful sexual behaviour in male children: Considering the implications for practice. Carol A. IrelandChapter 23. Females who sexually offend: Theory, research, and treatment. Emily Blake, Theresa A. GannonChapter 24. Assessment of sexual violence. Jan Looman, Jeffrey AbracenChapter 25. Thinking outside of the box: advancements in theory, practice & evaluation in sexual offending interventions. Kerensa Hocken, Neil GredeckiSection V: Contemporary and emerging issuesChapter 26. The impact of violent media on aggression. Barbara KrahéChapter 27. Homophobic and Non Homophobic Aggression: Examining its portrayal in print media. Philip Birch, Rebecca Ozanne, Jane L. IrelandChapter 28. Narrowing the scope of psychopathy in explanations of offending: Towards an understanding of persistent violence. Evan C. McCuish, Raymond R. Corrado, Jennifer YangChapter 29. Victims of violent crime: the emerging field of victimology. B. Roebuck, L.A. StewartChapter 30. Psychosocial determinants of violence and trauma-informed implications for treatment. Deborah Horowitz, Margaret Guyer, Kathy SandersChapter 31. Jihadi-Salafi terrorism and violent extremism in the era of al-Qaeda and the Islamic State. Greg BartonChapter 32. Drive-bys in Chiraq or ethnic genocide in Iraq: Can violent street gangs inform our comprehension of the Islamic State? Matthew Valasik, Matthew D. PhillipsChapter 33. Gang violence and social media. Keir Irwin-Rogers, James Densley, Craig PinkneyChapter 34. Group process and gang delinquency intervention: Gang activity regulation and the group nature of gang violence. Matthew Valasik, Shannon E. Reid, Jenny S. West, Jason Gravel

Jane L. Ireland is a Forensic Psychologist, Chartered Psychologist and Chartered Scientist. Professor Ireland holds a professorial chair at the University of Central Lancashire and is Violence Treatment Lead within High Secure Services, Ashworth Hospital, Mersey Care NHS Trust. She is elected academy fellow of the Council of the Academy of Social Sciences and fellow of the International Society for Research on Aggression (ISRA). She holds three further (visiting/honorary) professorships at Åbo Akademi University in Finland, Charles Sturt University, Australia and Cardiff Metropolitan University. She has over 150 publications in forensic psychology, the majority of which fall within the area of aggression. Philip Birch, BSocSci.(Hons); PG Cert (HEP); PG Cert. (SSRM); PG Dip (SocSci); MSc; PhD is a Senior Lecturer in Criminology in the Centre for Law and Justice at Charles Sturt University, Australia. He has previously held posts at the University of Western Sydney, the University of New South Wales, Sydney, Australia and the University of Huddersfield, in the UK. Prior to entering academia, Philip worked as a criminologist in the field, holding posts in the UK prison service as well as in the crime and disorder field, which involved managing a specialist crime unit. Philip has published internationally, including books, book chapters, peer-reviewed articles and government reports in his main areas of research – offender management and rehabilitation; police, prisons and probation practices; gender symmetry violence with a particular focus on domestic family violence and sex work. He has secured over $790,000 in research grants, which have addressed a variety of themes within his areas of expertise. Philip holds an honorary research fellowship at the Institute of Positive Psychology and Education, Australia Catholic University and in the School of Psychology, University of Central Lancashire, UK, as well as being a Senior Research Associate in the Ashworth Research Centre, Mersey Health Care, National Health Services, UK. Philip is the Editor-in-Chief of the Journal of Criminological Research, Policy and Practice and currently sits on the editorial board of the Journal of Aggression, Conflict and Peace Research.Carol A. Ireland, PhD, is a Chartered Psychologist, Consultant Forensic Psychologist and Chartered Scientist. She works for Coastal Child and Adult Therapeutic Services – CCATS (www.ccats. org.uk), which is a community-based child and adult therapeutic service in the UK, and where she is the Sex Offender Lead, further leading on matters linked to sexual exploitation. She also works at the University of Central Lancashire, where she is the Director of Studies for the MSc in Forensic Psychology, as well as the Senior Research Lead at the Ashworth Research Centre, Ashworth Hospital, Mersey Care NHS Trust.

"This is one of the most up-to-date handbooks on the topic, currently avaialble, and will be of interest to anyone looking for a deeper insight into human aggression."— Roxanna Short, Journal of Mental Health

• Preface: Human Aggression: How far have we come? Jane L. Ireland, Philip Birch, Carol A IrelandSection I: Understanding general aggressionChapter 1. The development of aggression in childhood and adolescence: A focus on relationships. Debra PeplerChapter 2. Sex differences in aggression. Kaj Björkqvist, Karin ÖstermanChapter 3. Hegemonic masculinity and aggression. Ruschelle M. Leone, Dominic J. ParrottChapter 4. The biology of human aggression. Tracy A. Bedrosian, Randy J. NelsonChapter 5. Aggression motivation and inhibition: theoretical underpinnings and a new model. Ioan OhlssonChapter 6. Homicide adaptations. Joshua Duntley, David M. BussChapter 7. Human aggression from a cross-cultural perspective. Douglas P. FryChapter 8. Treatment intervention for aggression: Promoting individual change. Jane L. Ireland, Syeda BatoolSection II: Bullying across contextsChapter 9. Integrating multi-disciplinary social science theories and perspectives to understand school bullying and victimisation. Jun Sung Hong, Dorothy L. Espelage, Simon C. Hunter, Paula Allen-MearesChapter 10. Aggression in the workplace. Al-Karim SamnaniChapter 11. Cyberbullying. Robin KowalskiChapter 12. Alterophobic bullying and violence. Stephen James MintonSection III: Relationships and family aggressionChapter13. Violence to partners: gender symmetry revisited. John ArcherChapter 14. Stalking and harassment. David V. James, Rachel D. MacKenzieChapter 15. Animal maltreatment in households experiencing family violence. Shelby Elaine McDonaldChapter 16. Treating stalking behaviour: A framework for understanding process components. Philip Birch, Jane L. Ireland, Niki NinausChapter 17. Using the research evidence to inform the assessment and treatment of intimate partner aggression. Louise Dixon, Devon L. L. PolaschekChapter 18. Attitudes towards ‘honor’ violence and killings in collectivist cultures: Gender differences in Middle Eastern, North African, South Asian (MENASA) and Turkish populations. Roxanne KhanChapter 19. Towards evidence-based treatment of partner violence in LGBT relationships. Erica BowenChapter 20. Raising awareness, improving victim safety: Exploring the efficacy of proactive domestic and family violence prevention measures. Philip Birch, Irena VeljanovaSection IV: Sexual aggressionChapter 21. The development of sexual aggression: A tripartite model and a life span perspective. Howard E. Barbaree, Lynn O. Lightfoot, Robert A. PrentkyChapter 22. Examining harmful sexual behaviour in male children: Considering the implications for practice. Carol A. IrelandChapter 23. Females who sexually offend: Theory, research, and treatment. Emily Blake, Theresa A. GannonChapter 24. Assessment of sexual violence. Jan Looman, Jeffrey AbracenChapter 25. Thinking outside of the box: advancements in theory, practice & evaluation in sexual offending interventions. Kerensa Hocken, Neil GredeckiSection V: Contemporary and emerging issuesChapter 26. The impact of violent media on aggression. Barbara KrahéChapter 27. Homophobic and Non Homophobic Aggression: Examining its portrayal in print media. Philip Birch, Rebecca Ozanne, Jane L. IrelandChapter 28. Narrowing the scope of psychopathy in explanations of offending: Towards an understanding of persistent violence. Evan C. McCuish, Raymond R. Corrado, Jennifer YangChapter 29. Victims of violent crime: the emerging field of victimology. B. Roebuck, L.A. StewartChapter 30. Psychosocial determinants of violence and trauma-informed implications for treatment. Deborah Horowitz, Margaret Guyer, Kathy SandersChapter 31. Jihadi-Salafi terrorism and violent extremism in the era of al-Qaeda and the Islamic State. Greg BartonChapter 32. Drive-bys in Chiraq or ethnic genocide in Iraq: Can violent street gangs inform our comprehension of the Islamic State? Matthew Valasik, Matthew D. PhillipsChapter 33. Gang violence and social media. Keir Irwin-Rogers, James Densley, Craig PinkneyChapter 34. Group process and gang delinquency intervention: Gang activity regulation and the group nature of gang violence. Matthew Valasik, Shannon E. Reid, Jenny S. West, Jason Gravel

Jane L. Ireland is a Forensic Psychologist, Chartered Psychologist and Chartered Scientist. Professor Ireland holds a professorial chair at the University of Central Lancashire and is Violence Treatment Lead within High Secure Services, Ashworth Hospital, Mersey Care NHS Trust. She is elected academy fellow of the Council of the Academy of Social Sciences and fellow of the International Society for Research on Aggression (ISRA). She holds three further (visiting/honorary) professorships at Åbo Akademi University in Finland, Charles Sturt University, Australia and Cardiff Metropolitan University. She has over 150 publications in forensic psychology, the majority of which fall within the area of aggression. Philip Birch, BSocSci.(Hons); PG Cert (HEP); PG Cert. (SSRM); PG Dip (SocSci); MSc; PhD is a Senior Lecturer in Criminology in the Centre for Law and Justice at Charles Sturt University, Australia. He has previously held posts at the University of Western Sydney, the University of New South Wales, Sydney, Australia and the University of Huddersfield, in the UK. Prior to entering academia, Philip worked as a criminologist in the field, holding posts in the UK prison service as well as in the crime and disorder field, which involved managing a specialist crime unit. Philip has published internationally, including books, book chapters, peer-reviewed articles and government reports in his main areas of research – offender management and rehabilitation; police, prisons and probation practices; gender symmetry violence with a particular focus on domestic family violence and sex work. He has secured over $790,000 in research grants, which have addressed a variety of themes within his areas of expertise. Philip holds an honorary research fellowship at the Institute of Positive Psychology and Education, Australia Catholic University and in the School of Psychology, University of Central Lancashire, UK, as well as being a Senior Research Associate in the Ashworth Research Centre, Mersey Health Care, National Health Services, UK. Philip is the Editor-in-Chief of the Journal of Criminological Research, Policy and Practice and currently sits on the editorial board of the Journal of Aggression, Conflict and Peace Research.Carol A. Ireland, PhD, is a Chartered Psychologist, Consultant Forensic Psychologist and Chartered Scientist. She works for Coastal Child and Adult Therapeutic Services – CCATS (www.ccats. org.uk), which is a community-based child and adult therapeutic service in the UK, and where she is the Sex Offender Lead, further leading on matters linked to sexual exploitation. She also works at the University of Central Lancashire, where she is the Director of Studies for the MSc in Forensic Psychology, as well as the Senior Research Lead at the Ashworth Research Centre, Ashworth Hospital, Mersey Care NHS Trust.

"This is one of the most up-to-date handbooks on the topic, currently avaialble, and will be of interest to anyone looking for a deeper insight into human aggression."— Roxanna Short, Journal of Mental Health

• Preface: Human Aggression: How far have we come? Jane L. Ireland, Philip Birch, Carol A IrelandSection I: Understanding general aggressionChapter 1. The development of aggression in childhood and adolescence: A focus on relationships. Debra PeplerChapter 2. Sex differences in aggression. Kaj Björkqvist, Karin ÖstermanChapter 3. Hegemonic masculinity and aggression. Ruschelle M. Leone, Dominic J. ParrottChapter 4. The biology of human aggression. Tracy A. Bedrosian, Randy J. NelsonChapter 5. Aggression motivation and inhibition: theoretical underpinnings and a new model. Ioan OhlssonChapter 6. Homicide adaptations. Joshua Duntley, David M. BussChapter 7. Human aggression from a cross-cultural perspective. Douglas P. FryChapter 8. Treatment intervention for aggression: Promoting individual change. Jane L. Ireland, Syeda BatoolSection II: Bullying across contextsChapter 9. Integrating multi-disciplinary social science theories and perspectives to understand school bullying and victimisation. Jun Sung Hong, Dorothy L. Espelage, Simon C. Hunter, Paula Allen-MearesChapter 10. Aggression in the workplace. Al-Karim SamnaniChapter 11. Cyberbullying. Robin KowalskiChapter 12. Alterophobic bullying and violence. Stephen James MintonSection III: Relationships and family aggressionChapter13. Violence to partners: gender symmetry revisited. John ArcherChapter 14. Stalking and harassment. David V. James, Rachel D. MacKenzieChapter 15. Animal maltreatment in households experiencing family violence. Shelby Elaine McDonaldChapter 16. Treating stalking behaviour: A framework for understanding process components. Philip Birch, Jane L. Ireland, Niki NinausChapter 17. Using the research evidence to inform the assessment and treatment of intimate partner aggression. Louise Dixon, Devon L. L. PolaschekChapter 18. Attitudes towards ‘honor’ violence and killings in collectivist cultures: Gender differences in Middle Eastern, North African, South Asian (MENASA) and Turkish populations. Roxanne KhanChapter 19. Towards evidence-based treatment of partner violence in LGBT relationships. Erica BowenChapter 20. Raising awareness, improving victim safety: Exploring the efficacy of proactive domestic and family violence prevention measures. Philip Birch, Irena VeljanovaSection IV: Sexual aggressionChapter 21. The development of sexual aggression: A tripartite model and a life span perspective. Howard E. Barbaree, Lynn O. Lightfoot, Robert A. PrentkyChapter 22. Examining harmful sexual behaviour in male children: Considering the implications for practice. Carol A. IrelandChapter 23. Females who sexually offend: Theory, research, and treatment. Emily Blake, Theresa A. GannonChapter 24. Assessment of sexual violence. Jan Looman, Jeffrey AbracenChapter 25. Thinking outside of the box: advancements in theory, practice & evaluation in sexual offending interventions. Kerensa Hocken, Neil GredeckiSection V: Contemporary and emerging issuesChapter 26. The impact of violent media on aggression. Barbara KrahéChapter 27. Homophobic and Non Homophobic Aggression: Examining its portrayal in print media. Philip Birch, Rebecca Ozanne, Jane L. IrelandChapter 28. Narrowing the scope of psychopathy in explanations of offending: Towards an understanding of persistent violence. Evan C. McCuish, Raymond R. Corrado, Jennifer YangChapter 29. Victims of violent crime: the emerging field of victimology. B. Roebuck, L.A. StewartChapter 30. Psychosocial determinants of violence and trauma-informed implications for treatment. Deborah Horowitz, Margaret Guyer, Kathy SandersChapter 31. Jihadi-Salafi terrorism and violent extremism in the era of al-Qaeda and the Islamic State. Greg BartonChapter 32. Drive-bys in Chiraq or ethnic genocide in Iraq: Can violent street gangs inform our comprehension of the Islamic State? Matthew Valasik, Matthew D. PhillipsChapter 33. Gang violence and social media. Keir Irwin-Rogers, James Densley, Craig PinkneyChapter 34. Group process and gang delinquency intervention: Gang activity regulation and the group nature of gang violence. Matthew Valasik, Shannon E. Reid, Jenny S. West, Jason Gravel