“…Gatchalian, & Bickel, 2007). Furthermore, research indicates that discount rates are negatively correlated with college GPA (Kirby, Winston, & Santiesteban, 2005), long-term financial strategies and/or savings (Joireman, Sprott, & Spangenberg, 2005), performance in a single-player prisoner's dilemma game (Harris & Madden, 2002;Yi, Johnson, & Bickel, 2005), frequency of cooperative choices on group tasks/activities (Critchfield & Atteberry, 2003), and lower levels of risky-choice behavior (Chesson et al, 2006;Dixon, Marley, & Jacobs, 2003;Odum, Madden, Badger, & Bickel, 2000;Petry, 2001b). The breadth of real-world behaviors that differ across individual discount rates highlights the usefulness of the discounting concept in understanding behavioral differences.…”