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Related Concept Videos

Group Design02:01

Group Design

The most basic experimental design involves two groups: the experimental group and the control group. The two groups are designed to be the same except for one difference— experimental manipulation. The experimental group gets the experimental manipulation—that is, the treatment or variable being tested—and the control group does not. Since experimental manipulation is the only difference between the experimental and control groups, we can be sure that any differences between the two are due to...
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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...
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Decision Making: Traditional Method01:14

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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.
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Revisionist Views of Adolescent and Adult Cognition01:24

Revisionist Views of Adolescent and Adult Cognition

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According to George Herbert Mead, as children progress beyond the game stage, they develop a more comprehensive understanding of societal rules and norms. This cognitive and social development enables them to internalize the expectations of the broader community, refining their ability to regulate behavior.Consistent participation in organized activities is crucial in helping children recognize that their actions are not isolated but contribute to a more significant, interconnected group effort.

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Related Experiment Video

Updated: May 25, 2026

Behavioral Assessment of Hearing in 2 to 4 Year-old Children: A Two-interval, Observer-based Procedure Using Conditioned Play-based Responses
14:05

Behavioral Assessment of Hearing in 2 to 4 Year-old Children: A Two-interval, Observer-based Procedure Using Conditioned Play-based Responses

Published on: January 23, 2017

When should the majority rule?: Children's developing intuitions about majority rules voting.

Hannah Hok1, Emily Gerdin2, Xin Zhao3

  • 1MIT, USA; Harvard University, USA.

Cognition
|March 28, 2025
PubMed
Summary
This summary is machine-generated.

Children understand majority rule voting by age 6, preferring it over random choices or single decisions. However, they recognize its limits, deeming it inappropriate for personal choices or immoral group decisions.

Keywords:
CooperationDecision-makingFairnessProcedural justiceVoting

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Area of Science:

  • Developmental Psychology
  • Social Psychology
  • Cognitive Science

Background:

  • Majority rule is a common group decision-making strategy.
  • Understanding children's development of procedural justice and group decision-making is crucial.

Purpose of the Study:

  • To investigate 4- to 9-year-olds' understanding of majority rule voting.
  • To compare children's preference for majority rule against randomized decisions and individual preferences.
  • To explore the developmental trajectory of children's intuitions about majority rule.

Main Methods:

  • Four experiments were conducted with 814 children aged 4–9 years in the United States and China.
  • Children's preferences for majority rule were compared against a coin flip and a single individual's preference.
  • Scenarios involving preference-based and morality-based decisions were presented.

Main Results:

  • Children preferred majority rule over individual decisions by age 4.
  • Children preferred majority rule over randomized decisions by age 6.
  • Children recognized that majority rule is inappropriate for personal decisions and immoral group choices.

Conclusions:

  • Children develop an understanding of majority rule as a fair procedure for group decision-making.
  • Children's application of majority rule is nuanced, considering context and morality.
  • Findings contribute to understanding the development of procedural justice and group decision-making in early childhood.