Characterizing the Reinforcing Value of Tobacco Using a Cigarette Purchase Task: An Item Response Theory Approach

The Cigarette Purchase Task (CPT) affords a high-resolution index of the reinforcing efficacy of nicotine. Although a high number and steep progression of prices have traditionally been used, attention is now placed on developing brief measures of this task. This study sought to assess the psychometric properties of a brief CPT for assessing cigarette demand in treatment-seeking smokers with and without depressive symptoms. The study sample …