Research Areas research areas


Academic Article

Year Title
2019 Health Indicators of Lesbian, Gay, Bisexual, and Other Sexual Minority (LGB+) Youth Living in Rural Communities.Journal of Pediatrics.  205:236-243. 2019
2019 Youth Exposure to Suicide Attempts: Relative Impact on Personal Trauma Symptoms.American Journal of Preventive Medicine.  56:109-115. 2019
2018 Bias motivations behind peer bullying and harassment: Relationships with major depressive symptomatology in a national sample of LGBT and non-LGBT youthPsychology of Violence2018
2018 Measurement Tools to Assess Relationship Abuse and Sexual Assault Prevention Program Effectiveness Among YouthPsychology of Violence.  8:537-545. 2018
2018 What do kids think about sexting?Computers in Human Behavior.  86:256-265. 2018
2018 Characteristics of bias-based harassment incidents reported by a national sample of U.S. adolescents.Journal of Adolescence.  65:50-60. 2018
2018 Digital poly-victimization: The increasing importance of online crime and harassment to the burden of victimization.Journal of Trauma and Dissociation.  19:382-398. 2018
2018 From Poly-Victimization to Poly-Strengths: Understanding the Web of Violence Can Transform Research on Youth Violence and Illuminate the Path to Prevention and Resilience.Journal of Interpersonal Violence.  33:719-739. 2018
2018 Poly-Victimization and Peer Harassment Involvement in a Technological World.Journal of Interpersonal Violence.  33:762-788. 2018
2018 Exposure to Medication Overdose as an Adversity in Childhood.Journal of Pediatric Nursing.  38:127-132. 2018
2017 Development and Psychometrics of Instruments to Assess School Personnel's Bystander Action in Situations of Teen Relationship Abuse and Sexual Assault.Journal of Interpersonal Violence.  886260517746946. 2017
2017 Past Year Technology-Involved Peer Harassment Victimization and Recent Depressive Symptoms and Suicide Ideation Among a National Sample of Youth.Journal of Interpersonal Violence.  886260517748413. 2017
2017 Assessing the Impact of Harassment by Peers: Incident Characteristics and Outcomes in a National Sample of YouthJournal of School Violence.  16:1-24. 2017
2017 National rates of adolescent stalking-like behavior and intention to harmPsychology of Violence.  7:192-192. 2017
2016 Defining and measuring youth digital citizenshipNew Media and Society.  18:2063-2079. 2016
2016 A National Study of Lesbian, Gay, Bisexual (LGB), and Non-LGB Youth Sexual Behavior Online and In-Person.Archives of Sexual Behavior.  45:1357-1372. 2016
2016 Poly-victimization and resilience portfolios: Trends in violence research that can enhance the understanding and prevention of elder abuse.Journal of Elder Abuse and Neglect.  28:217-234. 2016
2016 The Role of Technology in Peer Harassment: Does It Amplify Harm for Youth?Psychology of Violence.  6:193-204. 2016
2016 Building on Youth's Strengths: A Call to Include Adolescents in Developing, Implementing, and Evaluating Violence Prevention ProgramsPsychology of Violence.  6:15-21. 2016
2016 Virtual Environments, Online Racial Discrimination, and Adjustment among a Diverse, School-Based Sample of Adolescents.International Journal of Gaming and Computer-Mediated Simulations.  6:1-16. 2016
2016 What Features Make Online Harassment Incidents Upsetting to Youth?Journal of School Violence.  15:279-301. 2016
2015 Victim Reports of Bystander Reactions to In-Person and Online Peer Harassment: A National Survey of Adolescents.Journal of Youth and Adolescence.  44:2308-2320. 2015
2015 Beyond bullying: Aggravating elements of peer victimization episodes.School Psychology Quarterly.  30:366-384. 2015
2015 Cumulative experiences with life adversity: Identifying critical levels for targeting prevention efforts.Journal of Adolescence.  43:63-71. 2015
2015 Weapon Involvement in the Victimization of Children.Pediatrics.  136:10-17. 2015
2015 Cyberbullying and bullying must be studied within a broader peer victimization framework.Journal of Adolescent Health.  56:473-474. 2015
2015 Adolescent online romantic relationship initiation: differences by sexual and gender identification.Journal of Adolescence.  40:54-64. 2015
2015 Understanding linkages between bullying and suicidal ideation in a national sample of LGB and heterosexual youth in the United States.Prevention Science.  16:451-462. 2015
2015 Latino adolescents' perceived discrimination in online and offline settings: an examination of cultural risk and protective factors.Developmental Psychology.  51:87-100. 2015
2015 Online social support as a buffer against online and offline peer and sexual victimization among U.S. LGBT and non-LGBT youth.Child Abuse and Neglect.  39:123-136. 2015
2014 "Sexting" and its relation to sexual activity and sexual risk behavior in a national survey of adolescents.Journal of Adolescent Health.  55:757-764. 2014
2014 Exposure to websites that encourage self-harm and suicide: prevalence rates and association with actual thoughts of self-harm and thoughts of suicide in the United States.Journal of Adolescence.  37:1335-1344. 2014
2014 Patterns of Internet Use and Risk of Online Victimization for Youth With and Without DisabilitiesJournal of Special Education.  48:204-213. 2014
2014 Sexual media exposure, sexual behavior, and sexual violence victimization in adolescence.Clinical Pediatrics.  53:1239-1247. 2014
2014 Differentiating youth who are bullied from other victims of peer-aggression: the importance of differential power and repetition.Journal of Adolescent Health.  55:293-300. 2014
2014 Black Youth Beyond the Digital DivideThe Journal of Black Psychology.  40:291-307. 2014
2014 Technology-based interpersonal victimization: predictors of patterns of victimization over time.Journal of Interpersonal Violence.  29:1297-1317. 2014
2014 Accessing sexual health information online: use, motivations and consequences for youth with different sexual orientations.Health Education Research.  29:147-157. 2014
2014 Sexual harassment among adolescents of different sexual orientations and gender identities.Child Abuse and Neglect.  38:280-295. 2014
2013 Prevalence rates of male and female sexual violence perpetrators in a national sample of adolescents.JAMA Pediatrics.  167:1125-1134. 2013
2013 Testing the Index of Problematic Online Experiences (I-POE) with a national sample of adolescents.Journal of Adolescence.  36:1153-1163. 2013
2013 Understanding the decline in unwanted online sexual solicitations for U.S. youth 2000-2010: findings from three Youth Internet Safety Surveys.Child Abuse and Neglect.  37:1225-1236. 2013
2013 To tell or not to tell? Youth’s responses to unwanted Internet experiencesCyberpsychology.  7. 2013
2013 Online Harassment in Context: Trends From Three Youth Internet Safety Surveys (2000, 2005, 2010)Psychology of Violence.  3:53-69. 2013
2012 The Internet As a Safety Net: Findings From a Series of Online Focus Groups With LGB and Non-LGB Young People in the United StatesJournal of Gay and Lesbian Issues in Education Journal of LGBT Youth.  9:225-246. 2012
2012 Investigators using the Internet to apprehend sex offenders: findings from the Second National Juvenile Online Victimization StudyPolice Practice and Research.  13:267-281. 2012
2012 Trends in youth internet victimization: findings from three youth internet safety surveys 2000-2010.Journal of Adolescent Health.  50:179-186. 2012
2012 Exploring the role of the internet in juvenile prostitution cases coming to the attention of law enforcement.Journal of Child Sexual Abuse.  21:327-342. 2012
2012 How often are teens arrested for sexting? Data from a national sample of police cases.Pediatrics.  129:4-12. 2012
2012 Prevalence and characteristics of youth sexting: a national study.Pediatrics.  129:13-20. 2012
2011 National trends in exposure to and experiences of violence on the Internet among children.Pediatrics.  128:e1376-e1386. 2011
2011 Cell phone usage among adolescents in Uganda: acceptability for relaying health information.Health Education Research.  26:770-781. 2011
2011 Arrests for child pornography production: data at two time points from a national sample of U.S. law enforcement agencies.Child Maltreatment.  16:184-195. 2011
2011 Child pornography possessors: trends in offender and case characteristics.Sexual Abuse: Journal of Research and Treatment Annals of Sex Research.  23:22-42. 2011
2011 Internet-facilitated commercial sexual exploitation of children: findings from a nationally representative sample of law enforcement agencies in the United States.Sexual Abuse: Journal of Research and Treatment Annals of Sex Research.  23:43-71. 2011
2011 Youth Internet victimization in a broader victimization context.Journal of Adolescent Health.  48:128-134. 2011
2011 X-rated material and perpetration of sexually aggressive behavior among children and adolescents: is there a link?Aggressive Behavior.  37:1-18. 2011
2010 Use of social networking sites in online sex crimes against minors: an examination of national incidence and means of utilization.Journal of Adolescent Health.  47:183-190. 2010
2010 Conceptualizing juvenile prostitution as child maltreatment: findings from the National Juvenile Prostitution Study.Child Maltreatment.  15:18-36. 2010
2010 Growth and change in undercover online child exploitation investigations, 2000-2006Policing and Society.  20:416-431. 2010
2009 Index of problematic online experiences: item characteristics and correlation with negative symptomatology.Cyberpsychology and Behavior Cyberpsychology, Behavior, and Social Networking.  12:707-711. 2009
2009 How protective are filtering and blocking programs against unwanted exposure to pornography and sexual solicitation on the internet?Child Abuse and Neglect.  33:857-869. 2009
2009 Social networking sites: finding a balance between their risks and benefits.Archives of Pediatrics and Adolescent Medicine.  163:87-89. 2009
2008 How do high-risk youth use the Internet? Characteristics and implications for prevention.Child Maltreatment.  13:227-234. 2008
2008 Is talking online to unknown people always risky? Distinguishing online interaction styles in a national sample of youth Internet users.Cyberpsychology and Behavior Cyberpsychology, Behavior, and Social Networking.  11:340-343. 2008
2008 Are blogs putting youth at risk for online sexual solicitation or harassment?Child Abuse and Neglect.  32:277-294. 2008
2008 How risky are social networking sites? A comparison of places online where youth sexual solicitation and harassment occurs.Pediatrics.  121:e350-e357. 2008
2008 Online "predators" and their victims: myths, realities, and implications for prevention and treatment.American Psychologist.  63:111-128. 2008
2008 Internet sex crimes against minorsFamily & Intimate Partner Violence Quarterly.  1:25-44. 2008
2007 Linking Youth Internet and Conventional ProblemsJournal of Aggression, Maltreatment and Trauma.  15:39-58. 2007
2007 Does online harassment constitute bullying? An exploration of online harassment by known peers and online-only contacts.Journal of Adolescent Health.  41:S51-S58. 2007
2007 The co-occurrence of Internet harassment and unwanted sexual solicitation victimization and perpetration: associations with psychosocial indicators.Journal of Adolescent Health.  41:S31-S41. 2007
2007 Online behavior of youth who engage in self-harm provides clues for preventive intervention.Preventive Medicine.  45:392-396. 2007
2007 The relative importance of online victimization in understanding depression, delinquency, and substance use.Child Maltreatment.  12:314-324. 2007
2007 Problematic internet experiences: primary or secondary presenting problems in persons seeking mental health care?Social Science and Medicine.  65:1136-1141. 2007
2007 Current research knowledge about adolescent victimization via the Internet.Adolescent Medicine: State of the Art Reviews.  18:325-xi. 2007
2007 Online requests for sexual pictures from youth: risk factors and incident characteristics.Journal of Adolescent Health.  41:196-203. 2007
2007 Prevalence and frequency of Internet harassment instigation: implications for adolescent health.Journal of Adolescent Health.  41:189-195. 2007
2007 Defining Child Pornography: Law Enforcement Dilemmas in Investigations of Internet Child Pornography Possession1Police Practice and Research.  8:269-282. 2007
2007 Youth Sexual Exploitation on the Internet: DSM-IV Diagnoses and Gender Differences in Co-occurring Mental Health IssuesChild and Adolescent Social Work Journal.  24:235-260. 2007
2007 Classification of adults with problematic internet experiences: linking internet and conventional problems from a clinical perspective.Cyberpsychology and Behavior Cyberpsychology, Behavior, and Social Networking.  10:381-392. 2007
2007 Online mental health treatment: concerns and considerations.Cyberpsychology and Behavior Cyberpsychology, Behavior, and Social Networking.  10:453-459. 2007
2007 Youth Internet users at risk for the most serious online sexual solicitations.American Journal of Preventive Medicine.  32:532-537. 2007
2007 Internet prevention messages: targeting the right online behaviors.Archives of Pediatrics and Adolescent Medicine.  161:138-145. 2007
2007 Trends in youth reports of sexual solicitations, harassment and unwanted exposure to pornography on the Internet.Journal of Adolescent Health.  40:116-126. 2007
2007 Unwanted and wanted exposure to online pornography in a national sample of youth Internet users.Pediatrics.  119:247-257. 2007
2007 Through the bullet-proof glass: conducting research in prison settings.Journal of Trauma and Dissociation.  8:123-139. 2007
2006 Mental Health Professionals' Exposure to Clients with Problematic Internet ExperiencesJournal of Technology in Human Services.  24:35-52. 2006
2006 Examining characteristics and associated distress related to Internet harassment: findings from the Second Youth Internet Safety Survey.Pediatrics.  118:e1169-e1177. 2006
2006 Erratum: Depressive symptomatology, youth Internet use, and online interactions: A national surveyJournal of Adolescent Health.  38:92-92. 2006
2005 Exposure to internet pornography among children and adolescents: a national survey.Cyberpsychology and Behavior Cyberpsychology, Behavior, and Social Networking.  8:473-486. 2005
2005 Inventory of problematic Internet experiences encountered in clinical practiceProfessional Psychology: Research and Practice.  36:498-509. 2005
2005 Police posing as juveniles online to catch sex offenders: is it working?Sexual Abuse: Journal of Research and Treatment Annals of Sex Research.  17:241-267. 2005
2005 Protecting youth online: family use of filtering and blocking software.Child Abuse and Neglect.  29:753-765. 2005
2005 The internet and family and acquaintance sexual abuse.Child Maltreatment.  10:49-60. 2005
2005 Depressive symptomatology, youth Internet use, and online interactions: A national survey.Journal of Adolescent Health.  36:9-18. 2005
2004 Internet-initiated sex crimes against minors: implications for prevention based on findings from a national study.Journal of Adolescent Health.  35:424.e11-424.e20. 2004
2004 Online aggressor/targets, aggressors, and targets: a comparison of associated youth characteristics.Journal of Child Psychology and Psychiatry and Allied Disciplines.  45:1308-1316. 2004
2004 Youth engaging in online harassment: associations with caregiver-child relationships, Internet use, and personal characteristics.Journal of Adolescence.  27:319-336. 2004
2003 The exposure of youth to unwanted sexual material on the Internet - A national survey of risk, impact, and preventionYouth and Society.  34:330-358. 2003
2003 Escaping or connecting? Characteristics of youth who form close online relationships.Journal of Adolescence.  26:105-119. 2003
2002 Close online relationships in a national sample of adolescents.Adolescence.  37:441-455. 2002
2001 Risk of crime victimization among youth exposed to domestic violenceJournal of Interpersonal Violence.  16:944-964. 2001
2001 Risk factors for and impact of online sexual solicitation of youth.JAMA - Journal of the American Medical Association.  285:3011-3014. 2001
1999 Psycho-Existential Distress and Problem Behaviors: Gender, Subsample, and Longitudinal TestsJournal of Applied Biobehavioral Research.  4:111-138. 1999
1998 Women HIV sexual risk takers: Related behaviors, interpersonal issues, and attitudesWomen's Health: The Research on Gender, Behavior and Policy.  4:407-439. 1998
Understanding violence in context: The importance of culture for implementing systemic changePsychology of Violence.  6:22-22.

Principal Investigator On

  • Course and Prediction of Sexual Perpetration in Adolescence Through Young Adulthood  awarded by Center for Innovative Public Health Research 2015 - 2020
  • Poly-Victimization & Resilience Portfolios: Advancing the Science of Resilience Following Children's Exposure to Violence  awarded by National Children's Advocacy Center 2016 - 2018
  • Development of a National Youth Firearm Risk and Safety Assessment Tool  awarded by US DHHS, National Institutes of Health 2016 - 2018
  • The Digital Online Privacy & Security (Digital OPS) Survey Among Low Socioeconomic Status Adults and Adolescents in Rural Appalachia  awarded by Appalachian Center for Resilience Research 2015 - 2017
  • Cyberbullying Among Adolescents and Young Adults in the US: Four New Studies from the National Technology Harassment Victimization Survey  awarded by Digital Trust Foundation 2015 - 2017
  • Technology-Based Harassment Victimization  awarded by US DOJ, Department of Justice 2013 - 2015
  • Teen Life Online and in schools Project  awarded by University of Southern California 2012 - 2014
  • National Study of Internet and Technology Faciliated Risks to Youth  awarded by US DOJ, Department of Justice 2009 - 2012
  • Identifying Positive Aspects of Youth Internet Use: The Next Step in Prevention  awarded by Center for Innovative Public Health Research 2009 - 2012
  • Racial Discrimination in Online Contexts: The Impact on Adolescent Adjustment Over Time  awarded by University of Illinois 2010 - 2011
  • A National Study of Internet-Facilitated Commercial Sexual Exploitation of Children in the Criminal Justice System  awarded by US DOJ, Department of Justice 2007 - 2009
  • Crimes Against Children Research Center: Gun Violence Study.  awarded by The Joyce Foundation
  • Development of a National Youth Firearm Risk and Safety Assessment Tool  awarded by David Bohnett Foundation
  • Discovering What Works: Empowering Students as Educators in Preventing Bullying & Peer Violence  awarded by The Ben Cohen StandUp Foundation Inc
  • Teaching Activities

  • Research Internship Taught course 2017
  • Education And Training

  • B.A. Psychology, Rhode Island College
  • M.A. Psychology, Rhode Island College
  • Ph.D. Experimental Psychology, University of Rhode Island
  • Full Name

  • Kimberly Lema
  • Mailing Address

  • University of New Hampshire

    Crimes against Children Research Center

    10 West Edge Drive, Suite 106

    Durham, NH  03824

    United States