Statistical power for Aim #2a: The primary hypothesis is that participation in CRAFT-AI will predict greater engagement of IPs in treatment/healing, as compared to those assigned to TSF-CSO. Effect size estimates were drawn from a recent meta-analysis of CRAFT. Results from the meta-analysis indicated that IP engagement rate following CRAFT was on average 67%, while engagement IP rate following TSF-CSO was on average 18%, which results in an overall effect size odds ratio of 9.25. Given this effect size for odds of IP engagement between groups with α =.05 we will have 89% power with 18 subjects per condition (n=36) to detect the main effect of treatment. Assuming 10% dropout, we propose to recruit 20 subjects per condition (n=40) to assure a final sample size of 36.