Keck School Faculty

Eric Pedersen

Eric Pedersen

Director of Digital Mental Health
Associate Professor of Psychiatry and the Behavioral Sciences
Psychiatry and The Behavioral Sciences
2250 Alcazar Street Health Sciences Campus Los Angeles

Multifaceted impulsivity as a moderator of social anxiety and cannabis use during pregaming J Anxiety Disord. 2020 Sep 28; 76:102320. . View in PubMed

Effects of homophobic name-calling and verbal sexual harassment on substance use among young adults Aggress Behav. 2020 Aug 20. . View in PubMed

Identifying optimal level-of-care placement decisions for adolescent substance use treatment Drug Alcohol Depend. 2020 Jul 01; 212:107991. . View in PubMed

Prioritizing Needs and Outcomes for Adolescent Substance Use Treatment Planning: An Online Modified-Delphi Process J Addict Med. 2020 Jul/Aug; 14(4):e83-e88. . View in PubMed

Do Recent Experiences of Sexual Violence and Co-Occurring Depression and Anxiety Symptoms Predict Poorer Functioning One Year Later During the Transition to Young Adulthood? J Interpers Violence. 2020 Apr 22; 886260520913648.. View in PubMed

Behavioral Health and Service Usage During the COVID-19 Pandemic Among Emerging Adults Currently or Recently Experiencing Homelessness J Adolesc Health. 2020 10; 67(4):603-605. . View in PubMed

Alcohol and Sexual Risk among American College Students Studying Abroad Prev Sci. 2020 10; 21(7):926-936. . View in PubMed

Early and Late Adolescent Factors that Predict Co-use of Cannabis with Alcohol and Tobacco in Young Adulthood Prev Sci. 2020 05; 21(4):530-544. . View in PubMed

Practical factors determining adolescent substance use treatment settings: Results from four online stakeholder panels J Subst Abuse Treat. 2020 02; 109:34-40. . View in PubMed

Development of a Measure to Assess Protective Behavioral Strategies for Pregaming among Young Adults Subst Use Misuse. 2020; 55(4):534-545. . View in PubMed

Locating Medical and Recreational Cannabis Outlets for Research Purposes: Online Methods and Observational Study J Med Internet Res. 2020 02 26; 22(2):e16853. . View in PubMed

A text message intervention for quitting cigarette smoking among young adults experiencing homelessness: study protocol for a pilot randomized controlled trial Addict Sci Clin Pract. 2020 02 19; 15(1):11. . View in PubMed

Changes in Cigarette, E-Cigarette, and Cannabis Use among US. College Students Studying Abroad. Subst Use Misuse. 2020; 55(10):1683-1691. . View in PubMed

Addressing the opioid epidemic with behavioral interventions for adolescents and young adults: A quasi-experimental design J Consult Clin Psychol. 2019 Oct; 87(10):941-951. . View in PubMed

Long-term Associations Between Substance Use-Related Media Exposure, Descriptive Norms, and Alcohol Use from Adolescence to Young Adulthood J Youth Adolesc. 2019 Jul; 48(7):1311-1326. . View in PubMed

Associations between young adult marijuana outcomes and availability of medical marijuana dispensaries and storefront signage Addiction. 2019 12; 114(12):2162-2170. . View in PubMed

Factors Associated With Acquiring a Medical Marijuana Card: A Longitudinal Examination of Young Adults in California J Stud Alcohol Drugs. 2019 11; 80(6):687-692. . View in PubMed

Associations of Alcohol and Marijuana Use With Condom Use Among Young Adults: The Moderating Role of Partner Type J Sex Res. 2019 10; 56(8):957-964. . View in PubMed

Exploring the association between changes in partner behaviors, perceived service member drinking, and relationship quality: Secondary analysis of a web-based intervention for military partners J Subst Abuse Treat. 2019 03; 98:66-72. . View in PubMed

Relative influence of perceived peer and family substance use on adolescent alcohol, cigarette, and marijuana use across middle and high school Addict Behav. 2019 01; 88:99-105. . View in PubMed

Greater risk for frequent marijuana use and problems among young adult marijuana users with a medical marijuana card Drug Alcohol Depend. 2019 01 01; 194:178-183. . View in PubMed

An online alcohol and risky sex prevention program for college students studying abroad: study protocol for a randomized controlled trial Addict Sci Clin Pract. 2019 08 20; 14(1):32. . View in PubMed

Cannabis and tobacco use and co-use: Trajectories and correlates from early adolescence to emerging adulthood Drug Alcohol Depend. 2019 11 01; 204:107499. . View in PubMed

Efficacy of a Web-based Intervention for Concerned Spouses of Service Members and Veterans with Alcohol Misuse J Marital Fam Ther. 2018 Apr; 44(2):292-306. . View in PubMed

Alcohol Use Among Concerned Partners of Heavy Drinking Service Members and Veterans J Marital Fam Ther. 2018 Apr; 44(2):277-291. . View in PubMed

Recruitment and Retention of Homeless Youth in a Substance Use and HIV-risk Reduction Program Field methods. 2018 Feb 01; 30(1):22-36. . View in PubMed

Perceived Need and Receipt of Behavioral Health Services at Drop-In Centers among Homeless Youth Health Serv Res. 2018 12; 53(6):4609-4628. . View in PubMed

Blackouts as a Moderator of Young Adult Veteran Response to Personalized Normative Feedback for Heavy Drinking Alcohol Clin Exp Res. 2018 06; 42(6):1145-1153. . View in PubMed

Predictors of Retention in an Alcohol and Risky Sex Prevention Program for Homeless Young Adults Prev Sci. 2018 05; 19(4):459-467. . View in PubMed

Drinking to cope moderates the efficacy of changing veteran drinking norms as a strategy for reducing drinking and alcohol-related problems among US. veterans. Psychol Addict Behav. 2018 03; 32(2):213-223. . View in PubMed

Ethnic Differences in Cigarette Use Trajectories and Health, Psychosocial, and Academic Outcomes J Adolesc Health. 2018 03; 62(3):327-333. . View in PubMed

Planting the seed for marijuana use: Changes in exposure to medical marijuana advertising and subsequent adolescent marijuana use, cognitions, and consequences over seven years Drug Alcohol Depend. 2018 07 01; 188:385-391. . View in PubMed

Online Methods for Locating Medical Marijuana Dispensaries: Practical Considerations for Future Research Cannabis. 2018; 1(2):22-35. . View in PubMed

Developing adaptive interventions for adolescent substance use treatment settings: protocol of an observational, mixed-methods project Addict Sci Clin Pract. 2017 Dec 19; 12(1):35. . View in PubMed

Insomnia moderates the association between alcohol use and consequences among young adult veterans Addict Behav. 2017 Dec; 75:59-63. . View in PubMed

A randomized controlled trial of a web-based, personalized normative feedback alcohol intervention for young-adult veterans J Consult Clin Psychol. 2017 May; 85(5):459-470. . View in PubMed

Group motivational interviewing for homeless young adults: Associations of change talk with substance use and sexual risk behavior Psychol Addict Behav. 2017 09; 31(6):688-698. . View in PubMed

A group-based motivational interviewing brief intervention to reduce substance use and sexual risk behavior among homeless young adults J Subst Abuse Treat. 2017 05; 76:20-27. . View in PubMed

Combat experience and problem drinking in veterans: Exploring the roles of PTSD, coping motives, and perceived stigma Addict Behav. 2017 03; 66:90-95. . View in PubMed

Brief online interventions targeting risk and protective factors for increased and problematic alcohol use among American college students studying abroad Psychol Addict Behav. 2017 03; 31(2):220-230. . View in PubMed

Frequency of E-cigarette Use, Health Status, and Risk and Protective Health Behaviors in Adolescents J Addict Med. 2017 Jan/Feb; 11(1):55-62. . View in PubMed

Recruitment and retention of young adult veteran drinkers using Facebook PLoS One. 2017; 12(3):e0172972. . View in PubMed

Insomnia severity as a mediator of the association between mental health symptoms and alcohol use in young adult veterans Drug Alcohol Depend. 2017 08 01; 177:221-227. . View in PubMed

Individual, peer, and family factor modification of neighborhood-level effects on adolescent alcohol, cigarette, e-cigarette, and marijuana use Drug Alcohol Depend. 2017 11 01; 180:76-85. . View in PubMed

Depression, posttraumatic stress, and alcohol misuse in young adult veterans: The transdiagnostic role of distress tolerance Drug Alcohol Depend. 2016 Apr 01; 161:348-55. . View in PubMed

Alcohol and marijuana use trajectories in a diverse longitudinal sample of adolescents: examining use patterns from age 11 to 17 years Addiction. 2016 10; 111(10):1825-35. . View in PubMed

It is time to develop appropriate tools for assessing minimal clinically important differences, performance bias and quality of evidence in reviews of behavioral interventions Addiction. 2016 09; 111(9):1533-5. . View in PubMed

Facilitators and Barriers of Drop-In Center Use Among Homeless Youth J Adolesc Health. 2016 08; 59(2):144-53. . View in PubMed

Associations of Posttraumatic Stress Disorder Symptoms With Marijuana and Synthetic Cannabis Use Among Young Adult US. Veterans: A Pilot Investigation. J Stud Alcohol Drugs. 2016 05; 77(3):509-14. . View in PubMed

Measuring Protective Behavioral Strategies for Marijuana Use Among Young Adults J Stud Alcohol Drugs. 2016 05; 77(3):441-50. . View in PubMed

Associations between neighborhood alcohol availability and young adolescent alcohol use Psychol Addict Behav. 2015 Dec; 29(4):950-9. . View in PubMed

Early Substance Use and Subsequent DUI in Adolescents Pediatrics. 2015 Nov; 136(5):868-75. . View in PubMed

Predictors and consequences of prescription drug misuse during middle school Drug Alcohol Depend. 2015 Nov 01; 156:254-260. . View in PubMed

Differences in Substance Use and Substance Use Risk Factors by Asian Subgroups Asian Am J Psychol. 2015 Mar; 6(1):38-46. . View in PubMed

Longitudinal family effects on substance use among an at-risk adolescent sample Addict Behav. 2015 Feb; 41:185-91. . View in PubMed

How group factors affect adolescent change talk and substance use outcomes: implications for motivational interviewing training J Couns Psychol. 2015 Jan; 62(1):79-86. . View in PubMed

Increasing resilience through promotion of healthy sleep among service members Mil Med. 2015 Jan; 180(1):4-6. . View in PubMed

Help-Seeking Stigma and Mental Health Treatment Seeking Among Young Adult Veterans Mil Behav Health. 2015; 3(4):230-239. . View in PubMed

Alcohol and marijuana use in middle school: comparing solitary and social-only users J Adolesc Health. 2014 Dec; 55(6):744-9. . View in PubMed

A comparison of Cambodian-American adolescent substance use behavior to national and local norms Addict Behav. 2014 Dec; 39(12):1874-8. . View in PubMed

Proximal and distal social influence on alcohol consumption and marijuana use among middle school adolescents Drug Alcohol Depend. 2014 Nov 01; 144:93-101. . View in PubMed

Impact of daily assessments on distress and PTSD symptoms in trauma-exposed women J Interpers Violence. 2014 Mar; 29(5):824-45. . View in PubMed

Demographic and predeparture factors associated with drinking and alcohol-related consequences for college students completing study abroad experiences J Am Coll Health. 2014; 62(4):244-54. . View in PubMed

A longitudinal examination of alcohol, marijuana, and cigarette perceived norms among middle school adolescents Drug Alcohol Depend. 2013 Dec 01; 133(2):647-53. . View in PubMed

Exploring relationships between facets of self-esteem and drinking behavior among diverse groups of young adults Addict Behav. 2013 Oct; 38(10):2581-5. . View in PubMed

Perceived norms moderate the association between mental health symptoms and drinking outcomes among at-risk adolescents J Stud Alcohol Drugs. 2013 Sep; 74(5):736-45. . View in PubMed

Knowing where they're going: destination-specific pregaming behaviors in a multiethnic sample of college students J Clin Psychol. 2013 Apr; 69(4):383-96. . View in PubMed

Measuring college students' motives behind prepartying drinking: development and validation of the prepartying motivations inventory Addict Behav. 2012 Aug; 37(8):962-9. . View in PubMed

Prevalence, social contexts, and risks for prepartying among ethnically diverse college students Addict Behav. 2012 Jul; 37(7):803-10. . View in PubMed

Examining the relationships between acculturation orientations, perceived and actual norms, and drinking behaviors of short-term american sojourners in foreign environments Prev Sci. 2011 Dec; 12(4):401-10. . View in PubMed

Measuring Sojourner Adjustment among American students studying abroad Int J Intercult Relat. 2011 Nov; 35(6):881-889. . View in PubMed

Descriptive drinking norms: For whom does reference group matter? J Stud Alcohol Drugs. 2011 Sep; 72(5):833-43.. View in PubMed

Identifying factors that increase the likelihood for alcohol-induced blackouts in the prepartying context Subst Use Misuse. 2011; 46(8):992-1002. . View in PubMed

Reducing Alcohol Risk in Adjudicated Male College Students: Further Validation of a Group Motivational Enhancement Intervention J Child Adolesc Subst Abuse. 2010 Dec; 20(1):82-98. . View in PubMed

Factors Associated With General and Sexual Alcohol-Related Consequences: An Examination of College Students Studying Abroad J Stud Aff Res Pract. 2010 Dec; 47(4):421-438. . View in PubMed

Heavier drinking American college students may self-select into study abroad programs: An examination of sex and ethnic differences within a high-risk group Addict Behav. 2010 Sep; 35(9):844-7. . View in PubMed

College students' perceptions of class year-specific drinking norms Addict Behav. 2010 Mar; 35(3):290-3. . View in PubMed

Perceived behavioral alcohol norms predict drinking for college students while studying abroad J Stud Alcohol Drugs. 2009 Nov; 70(6):924-8. . View in PubMed

Gender and dating relationship status moderate the association between alcohol use and sex-related alcohol expectancies Addict Behav. 2009 Sep; 34(9):786-9. . View in PubMed

Before you slip into the night, you'll want something to drink: exploring the reasons for prepartying behavior among college student drinkers Issues Ment Health Nurs. 2009 Jun; 30(6):354-63. . View in PubMed

Changes in Drinking Patterns Across the Transition to College Among First-Year College Males J Child Adolesc Subst Abuse. 2008 Dec; 18(1):1-15. . View in PubMed

A brief Rutgers Alcohol Problem Index with less potential for bias Addict Behav. 2008 Sep; 33(9):1249-53. . View in PubMed

Prepartying promotes heightened risk in the college environment: an event-level report Addict Behav. 2008 Jul; 33(7):955-9. . View in PubMed

Normative misperceptions of drinking among college students: a look at the specific contexts of prepartying and drinking games J Stud Alcohol Drugs. 2008 May; 69(3):406-11. . View in PubMed

Assessment of perceived and actual alcohol norms in varying contexts: exploring Social Impact Theory among college students Addict Behav. 2008 Apr; 33(4):552-64. . View in PubMed

A brief decisional balance intervention increases motivation and behavior regarding condom use in high-risk heterosexual college men Arch Sex Behav. 2008 Apr; 37(2):330-9. . View in PubMed

Live interactive group-specific normative feedback reduces misperceptions and drinking in college students: a randomized cluster trial Psychol Addict Behav. 2008 Mar; 22(1):141-8. . View in PubMed

A randomized motivational enhancement prevention group reduces drinking and alcohol consequences in first-year college women Psychol Addict Behav. 2008 Mar; 22(1):149-55. . View in PubMed

Partying before the party: examining prepartying behavior among college students J Am Coll Health. 2007 Nov-Dec; 56(3):237-45. . View in PubMed

Female College Drinking and the Social Learning Theory: An Examination of the Developmental Transition Period from High School to College J Coll Stud Dev. 2007 May; 48(3):344-356. . View in PubMed

Reasons for drinking in the college student context: the differential role and risk of the social motivator J Stud Alcohol Drugs. 2007 May; 68(3):393-8. . View in PubMed

A campus-based motivational enhancement group intervention reduces problematic drinking in freshmen male college students Addict Behav. 2007 May; 32(5):889-901. . View in PubMed

Correcting Misperceptions and Reducing Risky Drinking through a Student-Designed Poster Campaign J Alcohol Drug Educ. 2007; 51(4):7-16. . View in PubMed

Classifying risky-drinking college students: another look at the two-week drinker-type categorization J Stud Alcohol Drugs. 2007 Jan; 68(1):86-90. . View in PubMed

Drinking game participation among college students: gender and ethnic implications Addict Behav. 2006 Nov; 31(11):2105-15. . View in PubMed

A within-subjects validation of a group-administered timeline followback for alcohol use J Stud Alcohol. 2006 Mar; 67(2):332-5. . View in PubMed

HEADS UP! A nested intervention with freshmen male college students and the broader campus community to promote responsible drinking J Am Coll Health. 2006 Mar-Apr; 54(5):301-4. . View in PubMed

Reducing heavy drinking in college males with the decisional balance: analyzing an element of Motivational Interviewing Addict Behav. 2006 Feb; 31(2):254-63. . View in PubMed

A group-administered Timeline Followback assessment of alcohol use J Stud Alcohol. 2005 Sep; 66(5):693-7. . View in PubMed

Effects of alcohol, expectancies, and partner type on condom use in college males: event-level analyses J Sex Res. 2005 Aug; 42(3):259-66. . View in PubMed

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