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Related Concept Videos

Reason and Intuition01:37

Reason and Intuition

The human brain processes information for decision-making using one of two routes: an intuitive system and a rational system (Epstein, 1994; popularized by Kahneman, 2011 as System 1 and System 2, respectively). The intuitive system is quick, impulsive, and operates with minimal effort, relying on emotions or habits to provide cues for what to do next, while the rational system is logical, analytical, deliberate, and methodical. Research in neuropsychology suggests that the brain can only use...
Groupthink01:34

Groupthink

When in group settings, we are often influenced by the thoughts, feelings, and behaviors around us. Groupthink is another phenomenon of conformity where modification of the opinions of members in a group aligns with what they believe is the group consensus (Janis, 1972). In such situations, the group often takes action that individuals would not perform outside the group setting because groups make more extreme decisions than individuals do. Moreover, groupthink can hinder opposing trains of...
Decision Making01:20

Decision Making

Decision-making is a fundamental cognitive process that involves evaluating alternatives and selecting among them. This process can range from simple choices, such as deciding what to wear, to complex decisions, like choosing a major in college or a career path. The complexity of the decision often dictates the approach we use, which can be broadly categorized into two types: automatic and controlled decision-making.
Automatic decision-making is fast, intuitive, and relies on gut feelings...
Impact of Individuals on a Group01:25

Impact of Individuals on a Group

In social psychology, the interplay between individuals and groups is a central concern, particularly regarding how individual actions and characteristics influence group processes and outcomes. While much research emphasizes the group's power in shaping individual behavior, it is equally significant to understand how individuals contribute to the functioning, development, and success of groups.Individual Roles in Group Productivity and Decision-MakingIndividuals are not passive participants in...
Decision Making: Traditional Method01:14

Decision Making: Traditional Method

The process of hypothesis testing based on the traditional method includes calculating the critical value, testing the value of the test statistic using the sample data, and interpreting these values.
First, a specific claim about the population parameter is decided based on the research question and is stated in a simple form. Further, an opposing statement to this claim is also stated. These statements can act as null and alternative hypotheses, out of which a null hypothesis would be a...
In- and Out-Groups01:31

In- and Out-Groups

People all belong to a gender, race, age, and social economic group. These groups provide a powerful source of our identity and self-esteem (Tajfel & Turner, 1979) and serve as our in-groups. An in-group is a group that we identify with or see ourselves as belonging to.

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Related Experiment Video

Updated: Jul 13, 2026

The Joint Effect of Social Comparison and Social Distance on Evaluation of Intertemporal Choice Outcomes in Event-related Potential Studies
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

[Regret in individual and group decision making].

Asuka Komiya1, Takashi Kusumi, Motoki Watabe

  • 1Graduate School of Education, Kyoto University, Yoshida-honmachi, Sakyo-ku, Kyoto, 606-8501, Japan. komiya@t02.mbox.media.kyoto-u.ac.jp

Shinrigaku Kenkyu : the Japanese Journal of Psychology
|July 31, 2007
PubMed
Summary

Group decision-making reduces reported regret compared to individual decisions. However, hearing others express regret in a group setting can amplify personal regret, influencing social dynamics in decision outcomes.

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Errors as a Means of Reducing Impulsive Food Choice
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Errors as a Means of Reducing Impulsive Food Choice

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Last Updated: Jul 13, 2026

The Joint Effect of Social Comparison and Social Distance on Evaluation of Intertemporal Choice Outcomes in Event-related Potential Studies
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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

Errors as a Means of Reducing Impulsive Food Choice
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Errors as a Means of Reducing Impulsive Food Choice

Published on: June 5, 2016

Area of Science:

  • Cognitive Psychology
  • Social Psychology
  • Decision Science

Context:

  • Investigating the psychological experience of regret in decision-making contexts.
  • Examining how social dynamics influence individual emotional responses to failure.

Purpose:

  • To compare reported regret in individual versus group decision-making scenarios.
  • To determine if the expression of regret by others affects an individual's own regret.

Summary:

  • Two studies revealed that individuals in group decisions reported less regret than those in individual decisions after task failure.
  • In group settings, participants who heard others express regret reported higher levels of personal regret, suggesting social contagion of regret.

Impact:

  • Findings indicate that social influence, specifically the expression of regret, plays a significant role in modulating emotional responses to decisions.
  • Highlights the complex interplay between social context and individual affective states in decision-making and post-decision evaluation.