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Isomorphic decisional biases across perceptual tasks.
Mario Treviño1, Santiago Castiello2, Oscar Arias-Carrión3
1Laboratorio de Plasticidad Cortical y Aprendizaje Perceptual, Instituto de Neurociencias, Universidad de Guadalajara, Guadalajara, Jalisco, México.
Plos One
|January 22, 2021
Summary
Human choice biases are consistent across different tasks and days, indicating stable individual traits. These decision-making patterns can help identify individuals and potentially detect psychopathologies.
Area of Science:
- Cognitive psychology
- Neuroscience
- Behavioral economics
Background:
- Humans aim to maximize rewards through behavioral strategies.
- Decisional biases persist in laboratory tasks, even when suboptimal.
- Biases arise from individual-specific internal and external factors.
Purpose of the Study:
- To investigate if internally-mediated decisional biases are stable across multiple tasks.
- To explore the potential for these biases to reflect stable individual traits.
- To develop tools for analyzing decisional biases and their contributing factors.
Main Methods:
- Participants completed two alternative choice tasks over multiple days.
- Behavioral data, including choice patterns, were analyzed.
- Development of novel tasks and analytical tools for bias assessment.
Main Results:
- Participants demonstrated consistent choice biases across different tasks and days.
- Side-choice behavior in a two-alternative task effectively identified participants.
- Individual traits appear to underlie observed choice biases.
Conclusions:
- Internally-mediated decisional biases are stable and task-general.
- Choice biases can serve as reliable markers for individual differences.
- The developed methods can aid in understanding decision-making and detecting psychopathologies.
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