The relationship between physical effort and delay discounting
DOI:
https://doi.org/10.15678/PJOEP.2017.11.01Keywords:
self-regulation, delay discounting, physical effort, tiredness.Abstract
The subjective value of gains and losses change as delays increase. The tempo of the change – the discount rate – describes the individual’s impulsivity. It also allows an individual’s choices, including their financial decisions, to be predicted. Participants (n = 61) discounted more strongly after physical activity than before it. A paradoxical effect of physical activity was observed: according to some research it increases the ability to self-regulate in the long run, but in our experiment it decreased the ability to self-regulate in the short run. The findings are discussed in the context of models of self-regulation (strength and effort models), and of alternative models: generalized deprivation, an association of effort with reward, and misattribution of arousal.
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