These promising findings resulted in implementation of a randomized clinical trial. Individuals with MA dependence were randomly assigned to a Standard MI intervention (Martino et al., 2006) with an attention control activity to achieve time equivalence for the Intensive MI intervention. Findings support significant increases in the percent days abstinent from MA between baseline and the 2-month follow-up and these improvements were maintained at the 6-month follow-up. Overall, comparisons did not show significant differences between standard and intensive MI.