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Taking More, Now: The Optimality of Impulsive Choice Hinges on Environment Structure
A Ross Otto1, Arthur B Markman, Bradley C Love
1Department of Psychology University of Texas at Austin.
Social Psychological and Personality Science
|February 21, 2012
Summary
Trait impulsivity influences decision-making, but its impact depends on the task environment. High impulsivity is detrimental when delayed rewards are optimal, yet advantageous when immediate rewards are favored.
Area of Science:
- Behavioral economics
- Cognitive psychology
- Neuroscience
Background:
- Impulsivity is a personality trait linked to preferring immediate rewards over larger, delayed ones.
- This myopic choice behavior is often considered maladaptive.
- However, the adaptive value of impulsivity may depend on environmental factors.
Purpose of the Study:
- To test the hypothesis that the optimal level of impulsivity varies with task payoff structures.
- To investigate how trait impulsivity affects decision-making in different reward environments.
Main Methods:
- Two dynamic decision-making tasks were employed, varying in reward payoffs.
- Participant performance was compared based on their levels of trait impulsivity (high vs. low).
Main Results:
- In tasks favoring delayed rewards, high-impulsive individuals performed worse than low-impulsive individuals.
- Conversely, in tasks favoring immediate rewards, high-impulsive individuals outperformed low-impulsive individuals.
Conclusions:
- Trait impulsivity's effect on reward-related decision-making is nuanced and context-dependent.
- This suggests a more flexible view of impulsivity, potentially explaining individual differences.
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