Tracy E. Waasdorp, PhD, MSED
Appointments and Referrals: 1-800-TRY-CHOP (1-800-879-2467)
Postdoctoral Fellow, Mental Health - Johns Hopkins University, Baltimore, MD
BA in Psychology - Muhlenberg College, Allentown, PA
PhD in Human Development and Family Studies - University of Delaware, Newark, DE
MS in Counseling and Psychological Services - University of Pennsylvania, Philadelphia, PA
Director of Research, School-Based Bullying and Social-Emotional Learning
Senior Research Scientist and Scholar, Center for Violence Prevention
Research Assistant Professor of Psychiatry, Perelman School of Medicine at the University of Pennsylvania
Child social and emotional skill development
Parents and school supports of positive peer relationships
Aggression and bullying
School-based social-emotional learning, and antibullying, and aggression programs
Community-based participatory research in school settings
Bradshaw, C. P. & Waasdorp, T. E.: Preventing Bullying in Schools: A Social and Emotional Learning Approach to Prevention and Early Intervention. Preventing Bullying in Schools: A Social and Emotional Learning Approach to Prevention and Early Intervention. New York: Norton Publishing. 2020.
Waasdorp, T. E., Mehari, K. R., & Bradshaw, C. P. : Anti-Bullying Programs in the U.S.A. and Canada in Wiley Bullying Handbook. P. Smith & J. O'Higgins (eds.). Wiley-Blackwell, 2021.
Bradshaw, C. P., O'Brennan, L., Waasdorp, T. E., Pas, E. T., Blumenstyk, J., Bartolo, D., & Leff, S. S.: The new frontier: Leveraging innovative technologies to prevent bullying. Cambridge Handbook of Violent Behavior and Aggression (2nd Ed) A. Vazsonyi, D. Flannery, & M. Delisi (eds.). Cambridge, UK: Cambridge University Press. Page: 724-735, 2018.
Bradshaw, C. P., Waasdorp, T. E., Pas, E. T., Larson, K. E., & Johnson, S. : Coaching teachers in bullying detection and intervention related to bullying. Bullying Prevention and Intervention at School: Integrating Theory and Research into Best Practices. J. Gordon (eds.). Cham, Switzerland: Springer International Publishing. Page: 53-72, 2018.
Leff, S. S., Waasdorp, T. E., & Mehari, K. R. : An updated review of existing relational aggression programs. The Development of Relational Aggression. J. M. Ostrov & S. M. Coyne (eds.). Oxford University Press. 2018.
Mehari, K. R., Waasdorp, T. E., Parks, A. M., & Leff, S. S.: Aggression. The SAGE Encyclopedia of Intellectual and Developmental Disorders. E. Braaten & B. Willoughby (eds.). 2018.
Waasdorp, T. E., Horowitz-Johnson, Z., & Leff, S. S. : Cyberbullying across the lifespan: Risk factors and consequences. Handbook of bullying prevention: A lifecourse perspective. C. P. Bradshaw (eds.). National Association of Social Workers (NASW) Press, 2017.
Waasdorp, T. E., Mehari, K. R., & Bradshaw, C. P.: Research on Family Experiences with Cyberbullying. Contemporary Families at the Nexus of Research and Practice. S. W., Browning, & B. Van Eeden-Moorefield (eds.). Taylor & Francis. Page: 240-255, 2017.
Waasdorp, T. E., O'Brennan, L. M., Bradshaw, C. P. : The Role of Education Support Professionals in Preventing Bullying. Handbook of bullying prevention: A lifecourse perspective. C. P. Bradshaw (eds.). National Association of Social Workers (NASW) Press. 2017.
Waasdorp, T.E., Monopoli, J., Centeno, D., Leff, S.S. : Anger and aggression prevention among Peers. The Handbook of Applied Interventions for Children and Adolescents. Theodore, L. (eds.). 2016.
Leff, S.S., Waasdorp, T.E., Waanders, C., Paskewich, B. S. : Better Understanding and Intervening to Prevent Relational Aggression. Handbook of School Mental Health (2nd Edition). Mark Weist, Nancy Lever, Catherine P. Bradshaw & Julie A. Owens (eds.). New York: Springer, 2014.
Leff, S.S., Waanders, C., Waasdorp, T.E., Paskewich, B. S. : Bullying, Harassment and Relational Aggression in School Settings. Handbook of Evidence-Based Practices for Emotional and Behavioral Disorders: Applications in Schools. H. M. Walker and F. M. Gresham (eds.). Page: 277-291, 2013.
Myers RK, Kapa HM, Lombardi L, Ostapenko S, Waasdorp T.: Examining the Intersection of Peer Bullying and Physical Assault Victimization among Children and Adolescents through Linkage of Clinical Data Sources. Oral presentation at the Society for the Advancement of Violence and Injury Research Annual Meeting. March 2022.
Fu, R., Waasdorp, T.E.., Randolph, J.A., & Bradshaw, C. P.: : Peer Victimization and Psycho-Behavioral Problems: Ethnic Differences in the Moderating Role of Academic Performance. Poster presented at the Conference of the Society for Prevention Research June 2021.
Mehari, K., Nguyen, T., Stevens, T., and Waasdorp, T. : Longitudinal Relations between Cyber Dating Aggression and Cyberbullying in Adolescence. Paper presented at the Conference of the Society for Prevention Research June 2021.
Polanco, C. and Waasdorp, T. E.: The Association between Forms of Victimization and Academic Achievement: The Mediating Roles of Absences and Belonging Poster presented at the Conference of the Society for Prevention Research June 2021.
Fu, R., Waasdorp, T. E., Paskewich, B. S., Leff, S.S.: The Impact of Classroom Norms on the Development of Relational and Overt Aggression. Poster presented at Society for Prevention Research Annual Conference, held virtually July 2020.
Leff, S.S., Waasdorp, T. E., Paskewich, B. S. Waanders, C.: Training and Coaching Urban School Staff to Implement a Relational Aggression Prevention Program. Poster presented at Society for Prevention Research Annual Conference, held virtually July 2020.
Waasdorp, T.E.: The Context and Content of Cyberbullying. Poster presented at Society for Prevention Research Annual Conference, held virtually July 2020.
Waasdorp TE. The Preventing Relational Aggression in Schools Everyday (PRAISE) Program: Adaptations to overcome subgroup differences in program benefits. July 2022.
Waasdorp TE. "Research Careers" with Dr. Waasdorp: Graduate developmental science seminar, virtual talk with students at University at Buffalo, SUNY. Mar 2022.
Waasdorp TE. "Is that really bullying? How to tell and what schools can do." Webinar for the Center for Violence Prevention at CHOP. https://www.youtube.com/watch?v=DXBvm2fshdY. Nov 2021.
Waasdorp TE. "Cyberbullying and Cybervictimization Experiences in Elementary Youth: Perceptions of Stress and Sources of Support." Paper presented at the Conference of the Society for Prevention Research. Jun 2021.
Waasdorp TE. 'Bullying Expert: Q & A'. National Liberty Museum. Apr 2021.
Waasdorp TE. "Bullying and Cyberbullying", Kidas Child Protective Services, Webinar. Aug 2020.
Waasdorp TE. "Peer sympathy for bullied youth: Individual and classroom considerations," annual National Association for School Psychologists conference, Baltimore, MD. Mar 2020.
2020, Article of the year in School Psychology Review, "Peer sympathy for bullied youth: Individual and classroom considerations"
2018, 2020, Distinguished Peer Reviewer for Prevention Science Journal
2014, Society for Prevention Research Early Career Travel Award
2009, Marvin B. Sussman Dissertation Award, University of Delaware
2008, Doctoral Dissertation Fellowship, University of Delaware
2008, CHEP Panel of Outstanding Graduate Student Award, University of Delaware
2008, Strattner-Gregory Graduate Award, University of Delaware
2007, Travel Award, Annual Ethnographic and Qualitative Research in Education Conference
2006, 2nd place at the University of Delaware Steele Symposium for presentation
2005, Travel Award, National Association of the Education of Young Children Annual Conference
2005, Travel Award, given by the Department of Human Development and Family Studies for travel to the 2005 SRCD conference
2022-present, Ad Hoc Reviewer, International Journal of Behavioral Development
2020-present, Editorial Board, International Journal of Bullying Prevention
2019-present, Ad Hoc Reviewer, Aggressive Behavior
2016-present, Ad Hoc Reviewer, Child Development
2016-present, Ad Hoc Reviewer, Journal of School Psychology
2016-present, Ad Hoc Reviewer, Educational Researcher
2015-present, Ad Hoc Reviewer, Applied Developmental Psych
2015-present, Ad Hoc Reviewer, Child and Family Studies
2014-present, Editorial Board, Prevention Science
2014-present, Ad Hoc Reviewer, Journal of Clinical Child and Adolescent Psychology
2014-present, Ad Hoc Reviewer, Journal of Adolescent Health
2012-present, Ad Hoc Reviewer, Journal of Early Adolescence
2012-present, Editorial Board, Journal of Youth and Adolescence
2012-present, Ad Hoc Reviewer, Journal of Applied Developmental Psychology
2012-present, Ad Hoc Reviewer, JAMA Pediatrics
2012-present, Ad Hoc Reviewer, Pediatrics
2011-present, Ad Hoc Reviewer, Journal of Educational Psychology
2010-present, Ad Hoc Reviewer, Journal of Research on Adolescence
2010-present, Editorial Board, Journal of School Violence
2019, Cyberbullying Prevention Research Collaborative, Founding Member
2021-present, NICHD Psychosocial Development, Risk, and Prevention (PDRP) Study Section