Within-subject differences in degree of delay discounting as a function of order of presentation of hypothetical cash rewards |
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Authors: | Elias Robles Perla Amalia Vargas |
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Affiliation: | a Division of Social and Behavioral Sciences, Arizona State University, 4701 West Thunderbird Road, MC 3051, Glendale, AZ 85306-4908, United States b Department of Psychology, Henderson State University, 1100 Henderson Street, P.O. Box 7590, Arkadelphia, AR 71999, United States |
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Abstract: | Procedural variants in estimating delay discounting (DD) have been shown to yield significant differences in estimated degree of DD as well as variations in individual patterns of choice. For example, a recent study found significantly different degrees of DD between groups assessed using either an ascending or descending order of presentation of the immediately available rewards. The purpose of this study was to test for within-subject effects of order of presentation of the immediate rewards in a DD task. In a single session, college students (N = 29) were asked to complete two DD tasks, one with the immediate rewards presented in ascending order and one in descending order. Consistent with previous results, significantly larger mean area under the discounting curve (AUC) was observed when the descending sequence was used compared to the ascending order of presentation; and the correlation between both measurements was moderate. These results suggest that some DD assessment tasks may be sensitive to contextual variables such as order and range of the reward and delay values. |
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Keywords: | Delay discounting Assessment Order of presentation Framing Impulsiveness |
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