This paper is in the following e-collection/theme issue:

Web-based and Mobile Health Interventions (3297) Substance Abuse (419)

Published on in Vol 20, No 5 (2018): May

Preprints (earlier versions) of this paper are available at https://preprints.jmir.org/preprint/9579, first published .
Effects of Treatment Length and Chat-Based Counseling in a Web-Based Intervention for Cannabis Users: Randomized Factorial Trial

Effects of Treatment Length and Chat-Based Counseling in a Web-Based Intervention for Cannabis Users: Randomized Factorial Trial

Effects of Treatment Length and Chat-Based Counseling in a Web-Based Intervention for Cannabis Users: Randomized Factorial Trial

Authors of this article:

Benjamin Jonas1 Author Orcid Image ;   Marc-Dennan Tensil1 Author Orcid Image ;   Peter Tossmann1 Author Orcid Image ;   Evelin Strüber2 Author Orcid Image
Article Authors Cited by (11) Tweetations (5) Metrics

Benjamin Jonas   1 , Dipl-Psych ;   Marc-Dennan Tensil   1 , Dipl-Psych ;   Peter Tossmann   1 , PhD, Dipl-Psych ;   Evelin Strüber   2 , Dipl-Soz

1 Delphi Gesellschaft für Forschung, Beratung und Projektentwicklung, Berlin, Germany

2 Federal Centre for Health Education, Cologne, Germany

Corresponding Author:

  • Benjamin Jonas, Dipl-Psych
  • Delphi Gesellschaft für Forschung, Beratung und Projektentwicklung
  • Kaiserdamm 8
  • Berlin, 14057
  • Germany
  • Phone: 49 30 39 40 97 82
  • Fax: 49 30 39 40 97 89
  • Email: jonas@delphi.de