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. Author manuscript; available in PMC: 2015 Mar 1.
Published in final edited form as: J Res Adolesc. 2013 Feb 25;24(1):117–130. doi: 10.1111/jora.12030

Figure 1. Two-part semicontinuous model of marijuana growth.

Figure 1

Note: For parsimony, the residuals for the intercepts and repeated measures are not shown.

*The association between change scores and the outcome where held constant across time for each predictor as were the residuals for the outcomes on continuous portion of the model.