Lee, Sonia (2025) The Mediating Role of Perceived Dieting Success Between Delay Discounting and BMI. Bachelor thesis, Psychology.
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Abstract
With the global prevalence of obesity having risen, an increasing number of people are attempting to lose weight. However, many struggle to achieve lasting success. One recent construct that has been proposed to contribute to obesity is delay discounting; the tendency to prefer smaller immediate rewards over larger delayed ones. However, findings on the relationship between delay discounting and weight have been inconsistent. The current study aims to investigate whether mediating factors, such as dieting success, may account for these inconsistencies. In the present study, a sample of 178 female university students completed the Monetary Choice Questionnaire (MCQ) and the Perceived Self-Regulatory Success (PSRS) in dieting scale, and their height and weight were measured. Participants had a mean age of 19.3 years (SD = 1.8) and a mean BMI of 21.9 (SD = 2.8). Results showed that delay discounting scores did not predict body mass index (BMI) directly or indirectly through dieting success. However, a significant negative correlation was found between dieting success and BMI. Future research should investigate whether this mediation emerges in higher-BMI samples, or whether alternative pathways that include additional mediators may better explain when and how delay discounting influences body weight.
| Item Type: | Thesis (Bachelor) |
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| Supervisor name: | Jonker, N.C. |
| Degree programme: | Psychology |
| Differentiation route: | None [Bachelor Psychology] |
| Date Deposited: | 25 Jul 2025 09:13 |
| Last Modified: | 25 Jul 2025 09:13 |
| URI: | http://gmwpublic.studenttheses.ub.rug.nl/id/eprint/5740 |
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