1. Understanding the role of race, ethnicity, and culture in the development of polysubstance use<br>Devin E. Banks, Kaytryn D. Campbell, and Rashmi Ghonasgi<br> <br>2. Alcohol on social media – why does it matter, what do we know, and how do we <br>collect etter evidence?<br>G. Diress, B. Riordan, D. Anderson-Luxford, and E. Kuntsche<br> <br>3. Accelerating addiction research via Open Science and Team Science <br>Jonas Dora, Marilyn Piccirillo, Katherine T. Foster, and Kevin M. King <br> <br>4. Social Cognition and Problematic Alcohol Use: An Organizing Theoretical Framework and Suggestions for Future Work<br>Lakshmi Kumar, Shirley Y. Hill, and Kasey G. Creswell<br> <br>5. Decisions in context: Impacts of drinking opportunities, constraints, and decisions processes on adolescent and young adult alcohol problems <br>Sharon Lipperman-Kreda, Christina F. Mair, Robert W.S. Coulter, and Paul J. Gruenewald<br> <br>6. Novel Methods in Addiction Treatment: Advances in Telehealth, Neuromodulation, and Mobile Interventions for Substance Use Disorder<br>Rosalie E. Ruhlmann, Catharine E. Fairbairn, and Julianne C. Flanagan<br> <br>7. Momentary Assessment of Drinking:Past Methods, Current Approaches Incorporating Biosensors, and Future Directions<br>Kyla-Rose Walden, Emily B. Saldich, Georgia Wong, Haoxing Liu, Chunming Wang, I. Gary Rosen, and Susan E. Luczak