Interpersonal utility and children's social inferences from shared preferences

Area of Science:

• Developmental Psychology
• Social Cognition
• Behavioral Economics

Background:

• Similarity is often assumed to indicate social affiliation and prosociality.
• Previous research suggests homophily (a preference for similar others) drives these inferences.
• The role of resource competition in shaping these judgments remains underexplored.

Purpose of the Study:

• To investigate whether children infer social affiliation and prosociality based on simple homophily or more complex shared utility reasoning.
• To examine how resource competition influences children's judgments of similarity-based social inferences.

Main Methods:

• Four- to six-year-old children (N=204) were presented with vignettes involving resource choice scenarios.
• Scenarios varied in resource availability: unlimited versus limited (zero-sum).
• Children judged prosociality and affiliative preferences based on characters' similar or dissimilar resource choices.

Main Results:

• Children were less likely to view similar others as "nice" when resources were limited.
• The tendency for children to infer target preference for similar others decreased under conditions of competition.
• Inferences about prosociality and affiliation were modulated by the presence of competition.

Conclusions:

• Children's reasoning about similarity is not solely based on homophily.
• Children consider shared utility and the potential for competition when making social inferences.
• This demonstrates flexible social reasoning in children, adapting judgments to situational context.