Publications
Linkages between internet and other media violence with seriously violent behavior by youth
Ybarra, M., Diener-West, M., Markow, D., Leaf, P., Hamburger, M., & Boxer, P. (2008). Linkages between internet and other media violence with seriously violent behavior by youth. Pediatrics, 122(5), 929-937.
Abstract: OBJECTIVE: The goal was to examine the association between violence in the media and the expression of seriously violent behavior among older children and teenagers [...]
Female offenders referred for community-based mental health service as compared to other service-referred youth: correlates of conviction
Walrath, C., Ybarra, M., Wayne Holden, E., Manteuffel, B., Santiago, R., Leaf, P. (2003). Female offenders referred for community-based mental health service as compared to other service-referred youth: correlates of conviction. Journal of Adolescence, 26(1), 45-61.
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Abstract: Data from a large federally supported national evaluation of system-of-care community mental health services were analysed [...]
The co-occurrence of internet harassment and unwanted sexual solicitation victimization and perpetration: Associations with psychosocial indicators
Ybarra, M.L., Espelage, D., & Mitchell, K.J. (2007). The co-occurrence of internet harassment and unwanted sexual solicitation victimization and perpetration: Associations with psychosocial indicators. Journal of Adolescent Health, 41 (6,Suppl), S31-S41.
Abstract: PURPOSE: Previous research in offline environments suggests that there may be an overlap in bullying and sexual harassment perpetration and victimization; however to [...]
Examining the overlap in internet harassment and school bullying: implications for school intervention
Ybarra, M.L., Diener-West, M., & Leaf, P.J. (2007). Examining the overlap in internet harassment and school bullying: implications for school intervention. Journal of Adolescent Health, 41(6 Suppl 1),S42-50.
Abstract: PURPOSE: As more and more youth utilize the Internet, concern about Internet harassment and its consequences for adolescents is growing. This paper examines the potential overlap [...]
Read This »Prevalence and frequency of internet harassment instigation: Implications for adolescent health
Ybarra, M.L. & Mitchell, K.J. (2007). Prevalence and frequency of internet harassment instigation: Implications for adolescent health. Journal of Adolescent Health, 41(2), 189-195.
Abstract: Youth psychosocial and behavioral characteristics are examined based upon varying frequency of Internet harassment perpetration online. METHODS: Data are from the Second Youth Internet Safety Survey, a national telephone survey of youth [...]
Examining characteristics and associated distress related to internet harassment: Findings from the second youth internet safety survey
Ybarra, M.L., Mitchell, K.J., Wolak, J., & Finkelhor, D. (2006). Examining characteristics and associated distress related to internet harassment: Findings from the second youth internet safety survey. Pediatrics, 118(4), 1169-1177.
Abstract: OBJECTIVE: We sought to identify the characteristics of youth who are targets of Internet harassment and characteristics related to reporting distress as a result [...]
Read This »Youth engaging in online harassment: associations with caregiver–child relationships, internet use, and personal characteristics
Ybarra M.L., & Mitchell K.J. Youth engaging in online harassment: associations with caregiver–child relationships, internet use, and personal characteristics. Journal of Adolescence, 2004,27(3), 319-336.
Abstract: To date, research focused on “traditional” (i.e. in-person) youth bullying behaviour has documented serious psychosocial challenges for those involved. How this literature translates to youth engaging in aggressive behaviours online has [...]
Online aggressor/targets, aggressors, and targets: a comparison of associated youth characteristics
Ybarra M.L, & Mitchell K.J. Online aggressor/targets, aggressors, and targets: a comparison of associated youth characteristics. Journal of Child Psychology and Psychiatry, 2004, 45(7),1308-16.
Abstract: BACKGROUND: While most youth report positive experiences and activities online, little is known about experiences of Internet victimization and associated correlates of youth, specifically in regards to Internet harassment. METHODS: The [...]
Exposure to internet pornography among children and adolescents: A national survey
Ybarra, M.L, & Mitchell, K. (2005). Exposure to internet pornography among children and adolescents: A national survey. CyberPsychology & Behavior, 8(5), 473-486.
Abstract: Estimates suggest that up to 90% or more youth between 12 and 18 years have access to the Internet. Concern has been raised that this increased accessibility may lead to a rise in [...]
Online behavior of youth who engage in self-harm provides clues for preventive intervention
Mitchell, K.J. & Ybarra, M.L. (2007). Online behavior of youth who engage in self-harm provides clues for preventive intervention. Preventive Medicine, 45, 392-396.
Abstract: OBJECTIVE: To explore the Internet use and interpersonal interactions of youth reporting deliberate self-harm as defined by any non-fatal act, regardless of intention. METHOD: The Second Youth Internet Safety Survey is a [...]
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