Digital Commons Network^™

Connection Between Cannabis Use And Psychosis And The Direct Vs. Indirect Form Of Inquiry To Combat Self-Report Bias, Lauren Grady

Psychology

The purpose of this paper is to investigate two problems: one clinical and one methodological. The first is whether there is a connection between drug use, and specifically cannabis use, and psychosis. Previous research on the subject has provided mixed results. Van Os et al. (2002) and Arseneault et al. (2002) both found that cannabis use predicted the onset of psychosis. Van Dam, Earleywine, & DiGiacomo (2008) found that the use of other drugs was a better predictor of psychosis than cannabis alone. The second problem involves how to maximize honesty when people answer questions regarding their own drug use. …