Dual Use Approach Bias Training for Nicotine Addiction

Inclusion Criteria: * At least 18 years of age * At least 15 days of CC use for the previous month * ECIG use with nicotine at least 15 days for the previous month * Motivation to quit nicotine (BOTH CC and ECIG; ≥ 5 on a 0-10 scale) * Ability to speak and read English fluently * Not have decreased number of cigarettes by more than half in the past month * Own an android smartphone (for EMA). Exclusion Criteria: * Current psychotherapy or pharmacotherapy for mental illness or addiction * Current use of nicotine replacement therapy, Zyban, or Chantix * Limited mental capacity or inability to provide informed consent * Insufficient command of the English language (\>6th grade English literacy level required)