• 30200 Social Intervention: Research and Evaluation
  • Introduction to Psychology

  • Lifespan Development

  • Adolescent Psychology

  • Service Learning in Developmental Psychology

 Job Experience

  • Postdoctoral research scientist at the Chicago Center for Youth Violence Prevention (at SSA)
  • Data Analyst, Positive Psychology Research Group, Virginia Commonwealth University
  • Adjunct faculty, Virginia Commonwealth University
  • Researcher at Clark Hill Institute for Positive Youth Development, Virginia Commonwealth University

Fields of Special Interest

  • Youth violence prevention

  • Dating aggression

  • Longitudinal methodology

  • Parental, peer and romantic relationships

  • Adolescent development

Publications or Presentations

  • Garthe, R.C., Sullivan, T., & Kliewer, W. (in press). Longitudinal relations between parent-adolescent communication, parental acceptance and externalizing behaviors among urban adolescents. Youth & Society.
  • Garthe, R. C., Sullivan, T., & Kliewer, W. (2014). Longitudinal relationships between adolescent and parental behaviors, parental knowledge, and internalizing behaviors among urban adolescents. Journal of Youth and Adolescence, 44, 17-33.
  • Garthe, R. C., Sullivan, T., & Larsen, R. (2015). Bidirectional associations between perceived parental support for violent and nonviolent responses and early adolescent aggressive and effective nonviolent behaviors. Journal of Adolescence, 45, 183-195.
  • Garthe, R. C., Sullivan, T., & McDaniel, M. (2016). A Meta-Analytic Review of Peer Risk Factors and Adolescent Dating Violence. Psychology of Violence, advance online publication.
  • Goncy, E. A., Sullivan, T. N., Farrell, A. D., Mehari, K. R., & Garthe, R. C. (2016). Prevalence, patterns, and mental health correlates of dating aggression for urban middle school youth. Psychology of Violence, advance online publication.
  • Griffin, B. J., Garthe, R. C., Worthington, E., Jr., Sullivan, T. N., Larsen, R., & Lavelock, C. (2015). How Positive processes function in negative relationships: Dispositional gratitude moderates the association between affective need and frequency of dating violence victimization. The Journal of Positive Psychology, advance online publication.
  • Sullivan, T. N., Garthe, R. C., Goncy, E. A., Carlson, M. M., & Behrhorst, K. L. (in press). Longitudinal relations between beliefs supporting aggression, anger regulation, and dating aggression among early adolescents. Journal of Youth and Adolescence.


Alexandra Frenn, AM ’16

Alexandra Frenn, AM ’16

“Upon attending the admitted students event before committing to SSA, it was clear that I would be a part of a diverse, brilliant, rigorous, innovative, well-rounded, specialized community of individuals. I was inspired by SSA’s attention to career development and expansive options for their students.”