“…Shipley, Rosen, & Williams, 1982). However, the introduction of low-T/N cigarettes and public campaigns that advocated their use for nonabstainers fostered the development of a variety of controlled-smoking treatment programs (Foxx & Axelroth, 1983; Foxx & Brown, 1979; Frederiksen & Peterson, 1976; Glasgow, Klesges, Godding, & Gegelman, 1983; Jaffe et al, 1978; Prue, Krapfl, & Martin, 1981; Prue, Scott, Martin, & Lomax, 1983). All of these programs were designed to motivate subjects to reduce the T/N yields of their cigarettes, although some encouraged reductions in individual parameters that were presumably related to smoke exposure (e.g., rate, amount smoked).…”