Suzy is a 5th-grade student who exhibits extreme impulsivity. She often expresses frustration by hitting her desk with her fist. Suzy generally lacks regard for rules and authority and frequently instigates conflicts, arguments, and fights. These behaviors have been observed in various settings, including the classroom, hallways, and the lunchroom. The art teacher reports that Suzy is attentive, engaged, and gets along well with other students. The scores that Suzy earns for ELA, math, social studies and science assignments and tests typically range between 70?