A "misdemeanor crime of domestic violence" is an offense that is (1) a misdemeanor under Federal or state law and (2) has, as an element, the use or attempted use of physical force or the threatened use of a deadly weapon, committed by a current or former spouse, parent, or guardian of the victim, by a person with whom the victim shares a child in common, by a person who is cohabiting with or has cohabited with the victim as a spouse, parent, or guardian, or by a person similarly situated to a spouse, parent, or guardian of the victim. Please rate your level of proficiency in Scientific Research: Knowledge of the concepts, principles, and theories of scientific principles related to environmental, ecological, biological, or physical science and the methods and processes used to conduct a systematic and objective inquiry, including study design, collection, analysis, and interpretation of data, and the reporting of results.