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Updated: May 3, 2026
07:47
Measuring Delay Discounting in Humans Using an Adjusting Amount Task
Published on: January 9, 2016
15.1K
Item-based analysis of delayed reward discounting decision making
Joshua C Gray1, Michael T Amlung2, John D Acker1
1Department of Psychology, University of Georgia, Athens, GA 30605 , USA.
Behavioural Processes
|January 21, 2014
Summary
A brief, 8-item assessment accurately measures delayed reward discounting (DRD), a key indicator of time preference. This shortened task enhances efficiency for studying health behaviors.
Area of Science:
- Behavioral Economics
- Psychology
- Neuroscience
Background:
- Delayed reward discounting (DRD) quantifies time preference and links to health behaviors.
- Standard DRD assessments can be lengthy and inefficient.
Purpose of the Study:
- To develop and validate a brief, 8-item delayed reward discounting assessment.
- To improve the efficiency and versatility of DRD measurement.
Main Methods:
- Utilized two young adult samples (N=130 exploratory, N=247 confirmatory).
- Identified eight key items predicting variance in the full DRD task's area under the curve (AUC).
Main Results:
- Eight items explained a significant majority of the variance in DRD AUC in both samples (R²=.821, p<.001 and R²=.844, p<.001).
- Initial validation of a brief 8-item DRD assessment was achieved.
Conclusions:
- A brief 8-item DRD assessment demonstrates validity and efficiency.
- Further validation and application of this shortened DRD measure are warranted.
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