Maine and Hurlburt Respond

While Tsu and LaMontagne claim that our article contains inaccuracies, the authors present little evidence to back up this statement. They cite experience in “demonstration projects.” Such experience—in carefully implemented and monitored, and (presumably) well-financed projects—cannot be taken as an indication of performance in large, routine programs. It is not surprising that demonstration projects have lower rates of loss-to-follow-up than...