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. Author manuscript; available in PMC: 2009 Sep 1.
Published in final edited form as: Drug Alcohol Depend. 2008 May 15;97(1-2):180–184. doi: 10.1016/j.drugalcdep.2008.03.031

Figure 1.

Figure 1

Major outcomes of abstinence (black pixels) or reduction of ≥ 50% (grey pixels) on days participants intended to change; abstinence or reduction (striped pixels) on days participants did not intend to change; and no actual change in marijuana use (white pixels) on days intending or not intending to change. Participant identification numbers were reassigned and the most successful participants placed at the top of each of the three panels. Missing data were imputed with last point carried forward.