...Brie Turner; Frank Patrick Deane Purpose Longer length of stay (LOS) in residential alcohol and other drug treatment has been associated with more favourable outcomes, but the optimal duration has yet to be determined for reliable change indices. Optimal durations are likely to be a function...

..., the proportion of clients having effective lengths of stay, and the rate of treatment completion. Research limitations/implications – Research limitations/implications include the difficulty of assuring unbiased selection and controlling treatment assignment and conditions. Practical implications...