Lars Stark

Most-cited papers

1. A Web-Based Self-Help Intervention With and Without Chat Counseling to Reduce Cannabis Use in Problematic Cannabis Users: Three-Arm Randomized Controlled Trial

   M. Schaub, Andreas Wenger, Oliver Berg, Thilo Beck +3 more

   2015Journal of Medical Internet Research73 citations Open access

   Semantic Scholar

   Save

2. Web-Based Cognitive Behavioral Self-Help Intervention to Reduce Cocaine Consumption in Problematic Cocaine Users: Randomized Controlled Trial

   M.P. Schaub, R. Sullivan, S. Haug, Lars Stark

   2012Journal of Medical Internet Research46 citations Open access

   Semantic Scholar

   Save

3. Can reduce - the effects of chat-counseling and web-based self-help, web-based self-help alone and a waiting list control program on cannabis use in problematic cannabis users: a randomized controlled trial

   M. Schaub, S. Haug, Andreas Wenger, Oliver Berg +3 more

   2013BMC Psychiatry29 citations Open access

   Semantic Scholar

   Save

4. Snow Control - An RCT protocol for a web-based self-help therapy to reduce cocaine consumption in problematic cocaine users

   M. Schaub, R. Sullivan, Lars Stark

   2011BMC Psychiatry19 citations Open access

   Semantic Scholar

   Save

5. CANreduce 2.0 Adherence-Focused Guidance for Internet Self-Help Among Cannabis Users: Three-Arm Randomized Controlled Trial

   Christian F. Baumgartner, M. Schaub, Andreas Wenger, Doris Malischnig +7 more

   2021Journal of Medical Internet Research18 citations Open access

   Semantic Scholar

   Save

6. The Effects of Social Presence on Adherence-Focused Guidance in Problematic Cannabis Users: Protocol for the CANreduce 2.0 Randomized Controlled Trial

   Manuel Amann, S. Haug, Andreas Wenger, Christian F. Baumgartner +5 more

   2018JMIR Research Protocols15 citations Open access

   Semantic Scholar

   Save

7. Cannabis Use in Adults Who Screen Positive for Attention Deficit/Hyperactivity Disorder: CANreduce 2.0 Randomized Controlled Trial Subgroup Analysis

   J. Ahlers, Christian Baumgartner, Mareike Augsburger, Andreas Wenger +7 more

   2022Journal of Medical Internet Research12 citations Open access

   Semantic Scholar

   Save

8. Web-based self-help with and without chat counseling to reduce cocaine use in cocaine misusers: Results of a three-arm randomized controlled trial

   M. Schaub, R. P. Castro, Andreas Wenger, Christian Baumgartner +4 more

   2019Internet Interventions12 citations Open access

   Semantic Scholar

   Save

9. Evaluating the efficacy of a web-based self-help intervention with and without chat counseling in reducing the cocaine use of problematic cocaine users: the study protocol of a pragmatic three-arm randomized controlled trial

   M. Schaub, Larissa J. Maier, Andreas Wenger, Lars Stark +4 more

   2015BMC Psychiatry11 citations Open access

   Semantic Scholar

   Save

10. Problematic cannabis use in young adults who screen positive for ADHD: Subgroup analysis from the three-armed randomized controlled CANreduce 2.0 trial of web-based self-help with adherence focused guidance (Preprint)

    J. Ahlers, Christian F. Baumgartner, Mareike Augsburger, Andreas Wenger +7 more

    20210 citations Open access

    Semantic Scholar

    Save

11. Erratum to: Evaluating the efficacy of a web-based self-help intervention with and without chat counseling in reducing the cocaine use of problematic cocaine users: the study protocol of a pragmatic three-arm randomized controlled trial

    M. Schaub, Larissa J. Maier, Andreas Wenger, Lars Stark +4 more

    2015BMC Psychiatry0 citations Open access

    Semantic Scholar

    Save