Understanding the development of bullying behavior in pre-school children has won University at Buffalo Associate Professor of Psychology Jamie M. Ostrov some influential admirers and boosters.

He’s a consultant for the Centers for Disease Control and Prevention as well as the U.S. Department of Education in their efforts to develop a uniform definition of bullying.

He’s assisted the federal StopBullying.gov initiative in adapting bullying prevention materials for young children.

And most recently in Ostrov’s professional dossier: an October appearance opposite Big Bird and his furry friends, counseling the “Sesame Street” characters on what to do when confronted with bullying behavior in pre-school children.

Ostrov is featured in a series of web-based videos to accompany a recent episode of the new season of “Sesame Street.” The series also is available on DVD.

“I wanted to join a club called the Good Birds Club,” Big Bird tells Ostrov in the video. “They didn’t want me because my beak was too long and I was too big and too yellow.”

When Ostrov suggests to Big Bird and friends that they find a grown-up and report what has happened, the blue muppet named Rosita worries about being labeled a tattletale.

“Oh no, Rosita. That’s not tattling,” reassures Ostrov. “That’s reporting. Reporting is important when our friends are hurt. It’s important to find a grown-up to report it so our friends can stay safe.”

Ostrov’s appearance in the videos is on the “Sesame Street” website at www.SesameStreet.org

Bullying Behavior In Pre-School Children“Essentially, my research is geared towards bullying behavior in pre-school children,” explains Ostrov.

“Young children are the target audience of ‘Sesame Street,’” explains Ostrov, a developmental psychologist who also was a consultant to the Children’s Television Workshop for its bullying prevention initiative.

“Their messages — teaching children how to identify bullying behavior in pre-school children, what bullying is and what to do if it happens to them, such as seeking assistance from adults — are consistent with our intervention program that addressed aggressive behavior in preschool classrooms and that also used developmentally appropriate puppets, stories and activities.”

“‘Sesame Street’ works very hard to keep the message developmentally appropriate and consistent with current research evidence as well as best practices in the field,” Ostrov says.

“My role was to provide both the developmental perspective as well as assist with the current understanding of how to identify bullying behavior in pre-school children and how bullying is defined by scholars.”

Ostrov’s research centers around understanding the development of types of aggression in children ages 3 to 5. One of those subtypes of aggressive behavior is bullying. All bullying is aggressive behavior, Ostrov explains, but not all aggressive behavior is bullying.

His research addresses what Ostrov calls “forms and functions” of aggressive behavior. “Forms” of aggression are ways aggression is displayed. “Functions” are the reasons why children behave in aggressive ways.

“Distinguishing between the various forms and functions of aggression has important implications for understanding the development of aggression and bullying behavior in pre-school children,” Ostrov says.

Ostrov’s research also examines the developmental origins, processes and outcomes of physical and relational aggression (e.g., social exclusion) in children and adolescents. Some of this work has documented the processes or mechanisms by which aggression and peer victimization are linked across development.

Previous studies in the UB Social Development Laboratory, which Ostrov directs, have shown that children who are victimized by their peers become the aggressors over time, and that the type of victimization that they experience predicts the type of aggression that they display with their peers over time.

“Thus, children are likely learning from peer victimization experiences how to become an aggressor,” says Ostrov. Ostrov believes that with UB’s new Jean M. Alberti Center for the Prevention of Bullying Abuse and School Violence, the university is well-positioned to become a leading institution in the field.

The University at Buffalo is a premier research-intensive public university, a flagship institution in the State University of New York system and its largest and most comprehensive campus.

UB’s more than 28,000 students pursue their academic interests through more than 300 undergraduate, graduate and professional degree programs. Founded in 1846, the University at Buffalo is a member of the Association of American Universities.


Pat WymanPat Wyman is the founder of HowToLearn.com and a best selling author.

She teaches at California State University, East Bay and is known as America’s Most Trusted Learning Expert. She helps children and adults solve learning problems with her Amazing Grades Study Skills System and is an expert in learning styles.

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