Representative Publications from the UB Social Development Lab
^Denotes a current or former trainee in the UB Social Development Lab
2026
^Perhamus, G. R., ^Perry, K. J., Murray-Close, D., & Ostrov, J. M. (in press). Multi-system stress activity profiles and socioemotional functioning across the transition to kindergarten. Journal of Applied Developmental Psychology. doi: 10.1016/j.appdev.2026.101931
^Azu-Narcisse, M. A., Ostrov, J. M., & Murray-Close, D. (in press). The role of parenting and cortisol in children’s early peer relationships. Child Psychiatry & Human Development. doi: 10.1007/s10578-026-01967-y
Ostrov, J. M., & ^Perry, K. J. (in press). Family violence and aggression subtypes in childhood/adolescence. Current Opinion in Psychology. doi: 10.16/j.copsyc.2026.102276
2025
^Perhamus, G. R., Ostrov, J. M., & Murray-Close, D. (2025). Parenting and peer victimization in the development of callous-unemotional behaviors: Moderation by irritability and basal cortisol. Research on Child and Adolescent Psychopathology. doi: 10.1007/s10802-025-01343-9
^Perry, K. J., Ostrov, J. M., Nickerson, A. B., ^Godleski, S. A., Lanza, S., Schuetze, P., & Eiden, R. D. (2025). Early childhood temperament and environmental risk factors for callous unemotional traits. Clinical Psychological Science. doi:10.1177/21677026251339196
2024
^Memba, G. V., & Ostrov, J. M. (2024). Executive Functioning Across the Transition to Kindergarten: Links with Social and Academic Outcomes in Early Childhood. Social Development. doi: 10.1111/sode.12788
^Perhamus, G. R., & Ostrov, J. M. (2024). Peer Socialization Processes in the Development of Callous-Unemotional Traits. Development and Psychopathology. doi: 10.1017/S0954579424001846
^Perhamus, G., Ostrov, J. M., & Murray-Close, D. M. (2024). Aggression and irritability in middle childhood: Between and within-person associations. Journal of Clinical Child and Adolescent Psychology. 53(2), 184- 198. doi:10.1080/15374416.2023.2272941
^Perry, K. J., ^Perhamus, G., ^Memba, G., Ostrov, J. M., & Murray-Close, D. (2024). A social-ecological model of preschoolers’ aggressive behavior: An exploratory analysis. School Psychology, 39, 1, 95-105. doi: 10.1037/spq0000565
2023
Lent, M. C., ^Perry, K. J., ^Perhamus, G. R., Buck, C., Murray-Close, D., & Ostrov, J. M. (2023). Is autonomic functioning distinctly associated with anxiety and unsociability in preschoolers?. International Journal of Psychophysiology. doi:10.1016/j.ijpsycho.2024.112343
^Perhamus, G. R. & Ostrov, J. M. (2023). Inhibitory control in early childhood aggression subtypes: Mediation by irritability. Child Psychiatry & Human Development, 54, 366-378. doi:10.1007/s10578-021-01254-y
^Memba, G. V., Ostrov, J. M. (2023). Role of peer victimization in predicting aggression and internalizing problems in early childhood: The moderating effect of emotion regulation and gender. Early Education & Development, 34, 1, 53-70. doi:10.1080/10409289.2021.1997497
^Perry, K. J., ^Perhamus, G. R., Lent, M. C., Murray-Close, D., & Ostrov, J. M. (2023). The COVID-19 pandemic and measurement of preschoolers’ executive functions. Psychological Assessment. 35(11), 986-999. doi:10.1037/pas0001250
^Blakely-McClure, S. J., & Ostrov, J. M. (2023). Relational victimization, characterological self-blame, and adjustment in young children. Child Psychiatry & Human Development. doi: 10.1007/s10578-023-01505-0
^Memba, G., & Ostrov, J. M. (2023). Prospective relations of temperament and peer victimization with changes in social competence in early childhood: The moderating role of executive functioning. Child & Youth Care Forum. 52(6), 1349-1370. doi:10.1007/s10566-023-09737-w
^Perry, K. J., & Ostrov, J. M. (2023). Trajectories of physical and relational aggression across early childhood: Relations with peer risk factors. Aggressive Behavior, 49(4), 321-332. doi: 10.1002/ab.22075
Ostrov, J. M., Murray-Close, D., ^Perry, K. J., ^Blakely-McClure, S. J., ^Perhamus, G., Mutignani, L., Kesselring, S., ^Memba, G., & Probst, S. (2023). The development of forms and functions of aggression during early childhood: A temperament-based approach. Development and Psychopathology, 35(2), 941 – 957. doi:10.1017/S0954579422000177
Ostrov, J. M., Murray-Close, D., ^Perry, K. J., ^Perhamus, G., ^Memba, G., Rice, D., & Nowalis, S. (2023). Parenting and adjustment problems among preschoolers during COVID-19. Preregistered (09/2020) Journal of Child and Family Studies, 32, 93- 109. doi: 10.1007/s10826-022-02439-2; PMID: 36157198
^Kamper-DeMarco, K. E., ^Blakely-McClure, S. J., & Ostrov, J. M. (2023). Responses to peer victimization and bullying in early childhood. (Special issue in honor of the legacy of Dan Olweus). International Journal of Bullying Prevention, 5, 217-226. doi:10.1007/s42380-022-00156-4
^Perry, K. J., Ostrov, J. M., & Murray-Close, D. (2023). The role of autonomic system coordination in relations between peer factors and aggressive behavior in early childhood. Research on Child and Adolescent Psychopathology. 51, 693-708. doi:10.1007/s10802-022-01013-0
2022
^Perhamus, G. R., ^Perry, K. J., Murray-Close, D., & Ostrov, J. M. (2022). Stress reactivity and social cognition in pure and co-occurring early childhood relational bullying and victimization. Development and Psychopathology, 34(4), 1300-1312. doi:10.1017/S0954579421000298
^Perry, K. J., Ostrov, J. M., Murray-Close, D., ^Blakely-McClure, S. J., ^Kiefer, J., ^DeJesus-Rodriguez, A., & ^Wesolowski, A. (2021). Measurement of aggressive behavior in early childhood: A critical analysis using five informants. Journal of Experimental Child Psychology, 209, 1-18. doi:10.1016/j.jecp.2021.105180
^Perhamus, G. R., & Ostrov J. M. (2021). Emotions and cognitions in early childhood aggression: The role of irritability and hostile attribution biases. Journal of Abnormal Child Psychology, 49, 63-75.doi:10.1007/s10802-020-00707-7
^Perry, K. J., Meisel, S. N., Stotsky, M. T., & Ostrov, J. M. (2021). Parsing apart affective dimensions of withdrawal: Longitudinal relations with peer victimization. Development & Psychopathology, 33, 1059-1071. doi:10.1017/S0954579420000346
2020
^Hart, E. J., & Ostrov J. M. (2020). Relations between forms and functions of aggression and moral judgments of aggressive transgressions. Aggressive Behavior, 46, 220-231. doi:10.1002/ab.21883
^Godleski, S. A., Ostrov, J. M. (2020). Parental influences on child report of relational attribution biases during early childhood. Journal of Experimental Child Psychology. doi:10.1016/j.jecp.2019.104775
2019
^Kamper-DeMarco, K. E. & Ostrov, J. M. (2019). The influence of friendships on aggressive behavior in early childhood: Examining the interdependence of aggression. Child Psychiatry & Human Development, 50, 520-531. doi:10.1007/s10578-018-0857
^Perry, K. J., & Ostrov, J. M. (2019). The reciprocal relations between female and male play partners and aggression in early childhood. Child Development, 90, 127-135. doi:10.1111/cdev.13178
Ostrov, J. M., Kamper-DeMarco, K. E., ^Blakely-McClure, S. M., ^Perry, K. J. & Mutignani; L. (2019). Prospective associations between aggression/bullying and adjustment in preschool: Is general aggression different from bullying behavior?. Journal of Child and Family Studies, 28, 2572-2585. (Special issue on Bullying and Global Health). doi: 10.1007/s10826-018-1055-y
2018
^Perry, K. J., & Ostrov, J. M. (2018). Testing a bifactor model of relational and physical aggression in early childhood. Journal of Psychopathology and Behavioral Assessment, 40, 93-106. doi: 10.1007/s10862-017-9623-9
^Blakely-McClure, S. J., & Ostrov, J. M. (2018). Examining co-occurring and pure relational and physical victimization in early childhood. Journal of Experimental Child Psychology, 116, 1-16. doi: 10.1016/j.jecp.2017.07.011
^Perry, K. J., & Ostrov, J. M. (2018). Testing a higher order model of internalizing and externalizing behavior: The role of aggression subtypes. Child Psychiatry and Human Development, 49, 20-32. doi: 10.1007/s10578-017-0725-0
2017
^Kamper-DeMarco, K. E., & Ostrov, J. M. (2017). Prospective associations between peer victimization and social-psychological adjustment problems in early childhood. Aggressive Behavior, 43, 471-482. doi: 10.1002/ab.21705
2016
^Blakely-McClure, S. J. & Ostrov, J. M. (2016). Relational aggression, victimization and self-concept: Testing pathways from middle childhood to adolescence. Journal of Youth and Adolescence, 45, 376-390. doi: 10.1007/s10964-015-0357-2
2015
Ostrov, J.M., ^Godleski, S. A., ^Kamper, K. E., ^Blakely-McClure, S. J., & Celenza, L. (2015). Replication and extension of the early childhood friendship project: Effects on physical and relational bullying. School Psychology Review, 44, 445-463.
Ostrov, J. M., & ^Kamper, K. E. (2015). Future directions for research on the development of relational and physical peer victimization. Journal of Clinical Child and Adolescent Psychology, 44, 509-519. (Special issue: “Peer Victimization”). doi: 10.1080/15374416.2015.1012723
^Godleski, S. A., ^Kamper, K. E., Ostrov, J. M., ^Hart, E. J., & ^Blakley-McClure, S. J. (2015). Peer victimization and peer rejection during early childhood. Journal of Clinical Child and Adolescent Psychology, 44, 380-392. (Special issue: Peer Victimization). doi: 10.1080/15374416.2014.940622
Ostrov, J. M., & ^Guzzo, J. L. (2015). Prospective associations between prosocial behavior and social dominance in early childhood: Are sharers the best leaders?. Journal of Genetic Psychology, 176, 130-138. doi: 10.180/00221325.2015.1018860
2014
Ostrov, J. M., ^Kamper, K. E., ^Godleski, S. A., ^Hart, E. J., & ^Blakley-McClure, S. J. (2014). A gender-balanced approach to the study of peer victimization and aggression subtypes in early childhood. Development and Psychopathology, 26, 575-587. doi: 10.1017/S0954579414000248
2013
^Kamper, K. E., & Ostrov, J. M. (2013). Relational aggression in middle childhood predicting adolescent adjustment outcomes: The role of friendship quality. Journal of Clinical Child & Adolescent Psychology, 42, 855-862. doi: 10.1080/15374416.2013.844595
Ostrov, J. M., & ^Godleski, S. A. (2013). Relational aggression, victimization, and adjustment during middle childhood. Development and Psychopathology, 25, 801-815. doi: 10.1017/S0954579413000187
Ostrov, J. M., Murray-Close, D., ^Godleski, S. A., & ^Hart, E. J. (2013). Prospective associations between forms and functions of aggression and social and affective processes in early childhood. Journal of Experimental Child Psychology, 116, 19-36. doi: 10.1016/j.jecp.2012.12.009
^Hart, E. J., & Ostrov, J. M. (2013). Functions of aggressive behavior and future functional impairment. Early Childhood Research Quarterly, 28, 683-691. doi: 10.1016/j.ecresq.2013.05.005
Ostrov, J. M., Gentile, D. A., & ^Mullins, A. D. (2013). Evaluating the effect of educational media exposure on aggression in early childhood. Journal of Applied Developmental Psychology, 34, 38-44. doi: 10.1016/j.appdev.2012.09.005.
2010
Ostrov, J. M. (2010). Prospective associations between peer victimization and aggression. Child Development, 81, 1670-1677.
Ostrov, J. M. & ^Godleski, S. A. (2010). Toward an integrated gender-linked model of aggression subtypes in early and middle childhood. Psychological Review, 117, 233-242.
^Godleski, S. A., & Ostrov, J. M. (2010). Relational aggression and hostile attribution bias: Testing multiple statistical methods and models. Journal of Abnormal Child Psychology, 38, 447-458.
2009
Murray-Close, D., & Ostrov, J. M. (2009). A longitudinal study of forms and functions of aggressive behavior in early childhood. Child Development, 80, 828-842.
Ostrov, J. M., Massetti, G. M., ^Stauffacher, K., ^Godleski, S. A., Hart, K. C., Karch, K. M., ^Mullins, A. D., & ^Ries, E. E. (2009). An intervention for relational and physical aggression in early childhood: A preliminary study. Early Childhood Research Quarterly, 24, 15-28. doi: 10.1016/j.ecresq.2008.08.002
2008
^Bailey, C. A., & Ostrov, J. M. (2008). Differentiating forms and functions of aggression in emerging adults: Associations with hostile attribution biases and normative beliefs. Journal of Youth and Adolescence, 37, 713-722.
Ostrov, J. M. (2008). Forms of aggression and peer victimization during early childhood: A short-term longitudinal study. Journal of Abnormal Child Psychology, 36, 311-322.
Ostrov, J. M., & ^Bishop, C. M. (2008). Preschoolers’ aggression and parent-child conflict: A multiinformant and multimethod study. Journal of Experimental Child Psychology, 99, 309-322.
2006
Ostrov, J. M., Crick, N. R., & ^Stauffacher, K. (2006). Relational aggression in sibling and peer relationships during early childhood. Journal of Applied Developmental Psychology, 27, 241-253.
Ostrov, J. M. (2006). Deception and subtypes of aggression in early childhood. Journal of Experimental Child Psychology, 93, 322-336.
2004
Ostrov, J. M., & Keating, C. F. (2004). Gender differences in preschool aggression during free play and structured interactions: An observational study. Social Development, 13, 255-277.
Updated 2/22/2026