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Through funding from The Office for Victims of Crime, the National Children’s Advocacy Center (NCAC) is providing resources to raise awareness of child victims who suffer from poly-victimization. Poly-victimization, also known as complex trauma, describes the experience of multiple victimizations of different types. Research shows that the impact of poly-victimization is much more powerful than even multiple events of a single type of victimization, and this issue is strongly integrated into the Attorney General’s Defending Childhood Initiative which addresses children’s exposure to multiple types of violence. The resources offered herein are designed to equip child maltreatment practitioners with the skills they need to assess and assist poly-victims. All materials are devoted to filling the gaps in knowledge and understanding of child poly-victims and provide resources for appropriate response, reaction, and questioning for all professionals working with children, throughout the nation and beyond.

White Papers & Summaries

In partnership with experts in poly-victimization, the NCAC provides summaries of cutting-edge research on the impact of poly-victimization on child victims. Read.


The NCAC Librarian has created a  bibliography to the professional research regarding co-occurring and separately occurring multiple and different types of child victimizations. Included are citations and abstracts for articles, books, book chapters, dissertations, and reports. All publications are English language. View.


Publications listed here represent a significant portion of the research on poly-victimization and multi-type victimizations. These publications are freely accessible and listed in date descending order. Restricted access publications are not included. View publications.


Tune in to hear what the experts on poly-victimization have to say. Podcasts provide short audio presentations on current poly-victimization topics. Listen to a podcast.

Community Resources

Experts in poly-victimization and the NCAC provide materials and technical assistance that are useful for training and easily accessible for sharing within the First-Responder, CAC, MDT, and victim services professional communities. View resources.

For technical assistance with locating information on evidence-based practices, or research publications and other research related to poly-victimization and child maltreatment, contact NCAC’s Digital Information Librarian, Muriel Wells at mwells@nationalcac.org.

This page is funded in part through a grant from the Office for Victims of Crimes, Office of Justice Programs, U.S. Department of Justice. Neither the U.S. Department of Justice nor any of its components operate, control, are responsible for, or necessarily endorse, this Web page (including, without limitation, its content, technical infrastructure, and policies, and any services or tools provided).

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Child Abuse Library Online (CALiO) is supported by a grant awarded by the Office of Juvenile Justice and Delinquency Prevention, Office of Justice Programs, U.S. Department of Justice.