Dr. Marion Underwood, UT Dallas Professor of Psychology

Marion Underwood


  • children's social development
  • friendship
  • bullying
  • social aggression
  • physical aggression
  • developmental psychology
  • teens and technology
  • peer relations
  • gender relations
  • children's emotion regulation
  • boys' social groups
  • girls' social groups


Emily Martinez

Expert at a Glance

Marion Underwood, Ph.D. School of Behavioral and Brain Sciences

Professor of Psychology

Dr. Underwood’s research focuses on how children develop peer relationships.

Since 1995, the National Institute of Mental Health has supported her “friendship project,” a longitudinal study of children’s relationships and social development. It also looks at the precursors and outcomes of their relationships. The study will follow the same group of students from third grade through high school. In the eighth grade, these students were given Blackberry phones, which enables Dr. Underwood’s team to capture and code all electronic communication. This is the first study of its kind.

Dr. Underwood earned her Ph.D. from Duke University. She is the author of Social Aggression among Girls.


Updated: February 1, 2013