Experimental manipulations of behavioral economic demand for addictive commodities: a meta‐analysis

Background and Aims Reinforcing value , an index of motivation for a drug, is commonly measured using behavioral economic purchase tasks. State‐oriented purchase tasks are sensitive to phasic manipulations, but with heterogeneous methods and findings. The aim of this meta‐analysis was to characterize the literature examining manipulations of reinforcing value, as measured by purchase tasks and multiple‐choice procedures, to inform etiological...