Related Experiment Video
Updated: Sep 30, 2025
08:24
The Joint Effect of Social Comparison and Social Distance on Evaluation of Intertemporal Choice Outcomes in Event-related Potential Studies
Published on: August 25, 2023
820
Better together? Social distance affects joint probability discounting.
Diana Schwenke1, Ulrike Senftleben2,3, Stefan Scherbaum1
1Department of Psychology, Technische Universität Dresden, Dresden, Germany.
Memory & Cognition
|March 10, 2022
Summary
Joint decision-making in probability discounting tasks leads to reduced risk aversion and increased efficiency. Social closeness enhances interactive processes for better outcomes.
Area of Science:
- Cognitive Psychology
- Behavioral Economics
- Social Neuroscience
Background:
- Joint decision-making is prevalent but its underlying mechanisms, particularly non-verbal interactions, are complex.
- Understanding how social dynamics influence choices involving probabilistic rewards is crucial for economic and psychological theories.
Purpose of the Study:
- To investigate the impact of non-verbal interaction dynamics on joint decision-making in probability discounting.
- To explore whether social distance modulates these interactive processes and their effect on decision outcomes.
Main Methods:
- Two experiments utilized a gamified decision-making task involving choices between safe and risky rewards.
- Non-verbal interaction dynamics were analyzed during probability discounting tasks.
- The influence of social distance between participants was examined.
Main Results:
- Joint decision-making led to significantly lower probability discounting and higher decision-making efficiency compared to individual choices.
- Socially close participants reduced discounting through direct interactive processes.
- Socially distant participants' decisions were more influenced by the social context, yet interactive processes still boosted efficiency for all.
Conclusions:
- Non-verbal interaction dynamics play a significant role in collaborative decision-making, particularly in managing probabilistic risks.
- The influence of social closeness versus distance affects the mechanisms of discounting reduction, but interaction benefits efficiency universally.
- This study highlights the fine-grained impact of collaborative processes on choices with uncertain consequences.
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