Abstract
Delay discounting (DD) is a well-established method for evaluating behavioral impulsivity. It has been implemented extensively over the past few decades to identify associations between impulsivity and numerous psychopathologies. A valuable aspect of the DD task is its flexibility, allowing more targeted investigations of specific populations or disorders and several methodological factors may be manipulated by the researcher to maximize its utility. This chapter describes the precise methods through which our lab administers the DD task, including computer setup, instructions for participants, and a step-by-step explanation of trial processes which generate indifference points across several delays. Several different elements of the task are also considered, including the use of real or hypothetical rewards, the type of task used, and framing of questions. Each of these factors plays a significant role in the type of data acquired, the population best evaluated, and how it should be interpreted.
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Acknowledgments
I would like to thank Drs. Nicholas Grahame and Brandon Oberlin for guidance on DD task parameters and statistical analyses.
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Halcomb, M. (2023). The Delay Discounting Procedure: Methodology and Flexibility. In: Cyders, M.A. (eds) Translational Research Methods for Alcohol Use Disorders. Neuromethods, vol 201. Humana, New York, NY. https://doi.org/10.1007/978-1-0716-3267-3_3
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DOI: https://doi.org/10.1007/978-1-0716-3267-3_3
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