By Dr. Suruchi Sood

Think about a child who is having a hard time. We often ask one question: “What happened to them?” And we look for a single answer. Maybe they were bullied. Maybe they saw violence at home. But for many children, the real answer is not one thing. It is many things at once. Researchers have a term for this. They call it polyvictimization. “Poly” means “many,” so polyvictimization means being hurt in many different ways, not just one.

For a long time, scientists studied each type of harm in isolation. One expert studied child sexual abuse. Another studied bullying. Another studied violence at home. They rarely worked together, so they often missed how these harms pile up in the same child’s life.

That changed in 2007. David Finkelhor and his team at the University of New Hampshire studied more than 2,000 children across the United States and found something surprising. What mattered most for a child was not how many times the child was hurt, but how many different kinds of harm the child faced. In their study, children who faced four or more kinds of harm in one year made up about 1 in 5 kids. These children showed more signs of trauma than children who were hurt repeatedly in just one way (Finkelhor, Ormrod, & Turner, 2007).

In plain words: being hurt in five different ways is often harder on a child than being hurt repeatedly in one way.

To measure this, the team developed the Juvenile Victimization Questionnaire. It asks children about nearly three dozen forms of harm across five areas: everyday crime, abuse or neglect at home, bullying by other children or siblings, sexual harm, and witnessing violence. This survey shaped most of the subsequent research (Finkelhor, Ormrod, Turner, & Hamby, 2005).

A national study supported this finding. It found that about 8 percent of children in the United States experienced seven or more types of harm in a single year. These children accounted for a large share of the most serious distress (Finkelhor, Turner, Hamby, & Ormrod, 2011).

Why does this matter? The main lesson is simple. The more types of harm a child faces, the worse they tend to do. Scientists call this a “dose” pattern: more harm, more struggle. A 2020 review of studies from around the world found that polyvictimization posed a greater risk for mental health problems than any single type of harm on its own. It was linked to sadness and worry, as well as anger (Haahr-Pedersen et al., 2020).

The harm is widespread. A 2023 review found that polyvictimization is linked to many adverse health outcomes, most of which are in mental, behavioral, and social health (Lee et al., 2023).

Some children face greater risk than others. Harm often compounds for children who are already at a disadvantage, such as those in the foster care or justice systems. This is not by chance. It reflects who is protected in our society and who is not (Haahr-Pedersen et al., 2020).

This also matters for how we help. If a child comes to a nurse, a teacher, or a shelter, and we ask only about the one thing we can see, we miss the rest. A child with bruises may also be bullied at school and may witness violence at home. If we treat only the bruises, we have not helped the whole child.

Here is the good news. We are not helpless. There are things that work.

One well-tested treatment is Trauma-Focused Cognitive Behavioral Therapy, or TF-CBT. It helps a child and a trusted caregiver learn to manage strong feelings, cope with stress, and feel safe again. A 2022 review of many studies found that children improved significantly from before to after this treatment. They also did better than children in comparison groups (Thielemann et al., 2022).

Support also protects children. A large review found that support from family, school, and friends helped children do better after experiencing violence. This was true across many forms of harm, from abuse at home to violence in the neighborhood. Building on a child’s strengths matters as much as treating their pain (Yule et al., 2019).

There is still work to do. Researchers have not yet fully agreed on how to define or count polyvictimization. Some count four or more types of harm, while others count seven or more. This makes it difficult to compare studies and to determine exactly how common the problem is (Ogle et al., 2024). We also have far more research on the problem than on solutions. We need more studies that test what truly prevents harm and helps children heal, especially for children who face the greatest risk.

Polyvictimization is not a new problem. Children have always faced many forms of harm at once. What is new is a word for it, a way to measure it, and growing evidence of what it does and what can help.

The core idea is simple. To understand a child’s pain, we cannot look at just one thing that happened. We have to look at the whole picture. When we do, we often find that the children who struggle the most are the ones who were hurt in the most varied ways.

So the next time we meet a child who is struggling, let’s ask more, not less. Let’s look at the whole child. If you care for children as a parent, teacher, nurse, coach, or friend, ask about more than just the one thing in front of you. It could change a child’s life.

References

Finkelhor, D., Ormrod, R. K., Turner, H. A., & Hamby, S. L. (2005). Measuring poly-victimization using the Juvenile Victimization Questionnaire. Child Abuse & Neglect, 29(11), 1297–1312. https://doi.org/10.1016/j.chiabu.2005.06.005

Finkelhor, D., Ormrod, R. K., & Turner, H. A. (2007). Poly-victimization: A neglected component in child victimization. Child Abuse & Neglect, 31(1), 7–26. https://doi.org/10.1016/j.chiabu.2006.06.008

Finkelhor, D., Turner, H., Hamby, S., & Ormrod, R. (2011). Polyvictimization: Children’s exposure to multiple types of violence, crime, and abuse (Juvenile Justice Bulletin). Office of Juvenile Justice and Delinquency Prevention. https://www.ojp.gov/pdffiles1/ojjdp/235504.pdf

Haahr-Pedersen, I., Ershadi, A. E., Hyland, P., Hansen, M., Perera, C., Sheaf, G., Bramsen, R. H., Spitz, P., & Vallières, F. (2020). Polyvictimization and psychopathology among children and adolescents: A systematic review of studies using the Juvenile Victimization Questionnaire. Child Abuse & Neglect, 107, 104589. https://doi.org/10.1016/j.chiabu.2020.104589

Lee, N., Pigott, T. D., Watson, A., Reuben, K., O’Hara, K., Massetti, G., Fang, X., & Self-Brown, S. (2023). Childhood polyvictimization and associated health outcomes: A systematic scoping review. Trauma, Violence, & Abuse, 24(3), 1579–1592. https://doi.org/10.1177/15248380211073847

Ogle, C. M., Harmon-Darrow, C., Fedina, L., Nichols, D., Mulford, C. F., & Backes, B. L. (2024). Operational definitions of poly-victimization: A scoping review. Trauma, Violence, & Abuse, 25(4), 3360–3376. https://doi.org/10.1177/15248380241246522

Thielemann, J. F. B., Kasparik, B., König, J., Unterhitzenberger, J., & Rosner, R. (2022). A systematic review and meta-analysis of trauma-focused cognitive behavioral therapy for children and adolescents. Child Abuse & Neglect, 134, 105899. https://doi.org/10.1016/j.chiabu.2022.105899

Yule, K., Houston, J., & Grych, J. (2019). Resilience in children exposed to violence: A meta-analysis of protective factors across ecological contexts. Clinical Child and Family Psychology Review, 22(3), 406–431. https://doi.org/10.1007/s10567-019-00293-1