13% – Twelve-Step Facilitation (TSF)Elsewhere Robert Meyers has clarified that Twelve-Step Facilitation used in the Miller et al’s comparative study of 130 caretakers of problem drinkers was a control group structured to “simulate the kind of care and guidance CSO’s would traditionally receive from attending Al-Anon meetings... treatments were delivered one-on-one and included up to 12 hours of therapy.”