Related Experiment Video
Updated: Jan 20, 2026
Choosing Between z and t Distribution
Preschoolers consider (absent) others when choosing a distribution procedure
Patricia Grocke1, Federico Rossano2, Michael Tomasello1
1Department of Developmental and Comparative Psychology, Max-Planck-Institute for Evolutionary Anthropology, Leipzig, Germany.
Insights
Children
Area of Science:
- Developmental Psychology
- Social Psychology
- Moral Development
Background:
- Children's fairness decisions are influenced by social context.
- Understanding the development of prosocial behavior is crucial.
Purpose of the Study:
- To examine how social presence and anticipated outcomes affect children's fairness decisions.
- To investigate fairness in procedural and distributive justice contexts.
Main Methods:
- Three- and five-year-old children (N=120) made resource allocation choices.
- Decisions were made in public, private, or control conditions.
- Two contexts: procedural justice (wheel of fortune) and distributive justice (resource distribution).
Main Results:
- Children chose fair options more often in the procedural justice task when others were affected.
- Social influence on fairness was context-dependent.
- Fair procedures helped preschoolers overcome selfish tendencies.
Conclusions:
- Fair procedures can promote fairness in young children's decisions.
- Social context plays a significant role in moral decision-making.
- Preschoolers can prioritize fairness over self-interest in specific situations.
Abstract:
This study investigated how the presence of others and anticipated distributions for self influence children's fairness-related decisions in two different socio-moral contexts. In the first part, three- and five-year-old children (N = 120) decided between a fair and an unfair wheel of fortune to allocate resources (procedural justice). In the second part, they directly chose between two distributions of resources (distributive justice). While making a decision, each child was either observed by the affected group members (public), alone (private), or no others were introduced (non-social control). Children choose the fair option more often when others were affected (independently of their presence) only in the procedural justice task. These results suggest that using a fair procedure to distribute resources allows young preschoolers to overcome selfish tendencies.
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