The National Data Archive on Child Abuse and Neglect (NDACAN) promotes research on child maltreatment. It provides datasets from reports of investigated child maltreatment cases and offers analysis opportunities. Data refers to organized observations, datasets include data files and documentation, and findings summarize study outcomes. NDACAN makes datasets available free of cost to researchers within 3 business days after reviewing applications. Researchers can get involved through the Child Maltreatment Research listserv.