Introduction to the special issue: Utilizing ambulatory assessment to better understand the etiology, maintenance, treatment, and remission of addictive disorders

- cutting-edge research in ambulatory assessment of addictive behaviors.
- Illustrates ambulatory assessment as a tool for real-time detection of substance use.
- Provides examples of ambulatory assessment to test interventions.
- Provides examples of ambulatory assessment to examine antecedents of and maintaining factors for substance use.