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Fairness informs social decision making in infancy.

Kelsey Lucca¹, Jacqueline Pospisil¹, Jessica A Sommerville¹

¹Department of Psychology, University of Washington, Seattle, Washington, United States of America.

|February 15, 2018

Summary

This summary is machine-generated.

Infants as young as 13 months prefer interacting with individuals who distribute resources equally. This early fairness sensitivity influences social partner selection and moral development.

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Area of Science:

Developmental Psychology
Moral Psychology
Social Cognition

Background:

Fairness reasoning is crucial for moral development.
Understanding the origins of fairness sensitivity in infancy is key.

Purpose of the Study:

To investigate infants' ability to use fairness information when selecting social partners.
To determine if infants prefer individuals who exhibit fair resource distribution.

Main Methods:

A novel experimental paradigm combining pre-recorded stimuli and active behavioral measures was used.
Infants observed an individual distributing goods equally (3:3) or unequally (5:1).
Infants' social engagement (taking a toy) with the distributor was measured.

Main Results:

Both 13- and 17-month-old infants selectively engaged with the individual who distributed resources equally.
This preference indicates infants use fairness information in partner selection.

Conclusions:

Infants possess enduring fairness preferences that extend to new experimental paradigms.
Early-emerging fairness reasoning influences social partner consideration and broader prosocial development.