The moderating variables (e.g., nicotine replacement-therapy [NRT] preference and the smoker's desire to control NRT dosing) are assessed at baseline. The mediating variables (i.e., reduced craving, diminished withdrawal symptoms, cue reactivity, and increased perceived control over withdrawal symptoms) are assessed at baseline and then at weeks 5, 7, 9, within weeks 14-16, and within weeks 26-28. Continuous abstinence will be measured at week 27.