Adverse Childhood Experiences International Questionnaire (ACE-IQ) is a World Health Organization, 43-item screening questionnaire[1] intended to measure types of child abuse or trauma; neglect; household dysfunction; peer violence; sexual and emotional abuse, and exposure to community and collective violence.[2][3] ACE-IQ is meant to be administered to people 18 years or older in all countries, and is currently undergoing validation testing.[2][3]