Impulsivity Domains and Subjective Response

Inclusion Criteria: * 21-25 years old * Report drinking to an estimated BAC \> .08% at least once in the past 30 days based on responses on the Timeline Followback (TLFB) * Report drinking at least twice weekly in the past 30 days based on responses on the TLFB * Fluency in English Exclusion Criteria: * Any serious medical problems (e.g., liver disease, cardiac abnormality, pancreatitis, diabetes, neurological problems, and gastrointestinal disorders) * Body weight \< 110 or \> 210 pounds * Axis I psychiatric disorders including substance use disorder other than mild or moderate alcohol or mild cannabis use disorder * Current alcohol withdrawal or history of medically-assisted detoxification * Two positive breath alcohol concentration (BrAC) readings (i.e., \> 0.00%) at an in-person screening appointment or experimental session * Positive urine screen for illegal drugs other than cannabis * Currently seeking or past-12-month history of inpatient or intensive treatment for addictive behaviors * Current psychotropic medication use or receipt of a prescription for these medications in the past 30 days * Psychosis or other psychiatric disability * Pregnancy, nursing or lack of reliable birth control use for women * Report smoking \> 5 cigarettes per day (to avoid acute nicotine effects or withdrawal during experimental sessions)