Find peer-reviewed, published research using the Inquisit Progressive Ratio Task
Hodos, W. (1961). Progressive ratio as a
measure of reward strength. Science
Anne E. Ferrey, Alexandra Efrischen, & Mark J. Fenske. (2012). Hot or not: Response inhibition reduces the hedonic value and motivational incentive of sexual stimuli. Frontiers in Psychology, 3, 575.
Miras, Alexander D, Jackson, Robert N, Jackson, Sabrina N, Goldstone, Anthony P, Olbers, Torsten, Hackenberg, Timothy, . . . Le Roux, Carel W. (2012). Gastric bypass surgery for obesity decreases the reward value of a sweet-fat stimulus as assessed in a progressive ratio task. The American Journal of Clinical Nutrition, 96(3), 467-473.
Covelo, I., Wirtshafter, D., & Stratford, T. (2012). GABAA and dopamine receptors in the nucleus accumbens shell differentially influence performance of a water-reinforced progressive ratio task. Pharmacology, Biochemistry and Behavior, 101(1), 57-61.
Hershenberg, R., Satterthwaite, T., Daldal, A., Katchmar, N., Moore, T., Kable, J., & Wolf, D. (2016). Diminished effort on a progressive ratio task in both unipolar and bipolar depression. Journal of Affective Disorders, 196, 97-100.