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Measuring Delay Discounting in Humans Using an Adjusting Amount Task
Published on: January 9, 2016
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Can't wait to lose weight? Characterizing temporal discounting parameters for weight-loss
Seung-Lark Lim1, Amanda S Bruce2
1Department of Psychology, University of Missouri - Kansas City, 5030 Cherry Street, Kansas City, MO 64110, USA.
Appetite
|December 3, 2014
Summary
This study introduces a new way to measure how people value immediate versus delayed weight loss. It found that valuing immediate weight loss is linked to beliefs about personal control and willpower in obesity.
Area of Science:
- Behavioral Economics
- Obesity Research
- Psychology
Background:
- Obesity is linked to steeper temporal discounting, favoring immediate rewards over delayed ones.
- Previous studies used monetary rewards, not directly relevant to weight management.
Purpose of the Study:
- Develop and validate a temporal discounting measure using weight-loss rewards.
- Investigate decision-making mechanisms in body weight regulation.
Main Methods:
- Healthy young adults completed monetary and weight-loss reward questionnaires.
- Measurements included height, weight, and obesity-related cognitive variables.
Main Results:
- Weight-loss rewards were discounted over time, correlating with monetary reward discounting.
- Higher temporal discounting for weight loss linked to beliefs about control and willpower in obesity.
Conclusions:
- The developed weight-loss temporal discounting measure shows validity for obesity research.
- This tool can aid in understanding and intervening in obesity-related decision-making.
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