Questions about quitting (Q2): Design and methods of a Multiphase Optimization Strategy (MOST) randomized screening experiment for an online, motivational smoking cessation intervention

Effective interventions are needed to improve smokers' motivation for quitting, treatment utilization, and abstinence rates. The Internet provides an ideal modality for delivering such interventions, given the low cost, broad reach, and capacity to individually tailor content, but important methodological questions remain about how to best design and deliver an online, motivational intervention to smokers. The current paper reports on the...