and have longterm consequences, including later substance abuse, delinquency, school problems, and various psychological disorders (Cook et al., 2005). According to the National Child Abuse and Neglect Data System (NCANDS), young children are the most vulnerable to maltreatment (U.S. Department of Health & Human Services, Administration for Children and Families, Administration on Children, Youth and Families, Children's Bureau, 2018). Complex trauma refers to the chronic, simultaneous, or subsequent experiences of multiple traumatic events occurring within the caregiving system that begin in early childhood (Cook et al., 2005). Complex trauma, often including maltreatment and subsequent stressors (e.g., foster care placement), can lead to impairment in multiple developmental areas, including social-emotional development, wherein children's abilities to understand emotions, modulate behavioral impulses and emotional states, and regulate attention are impaired (