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This research investigates how cooperative and competitive interactions affect 13-month-old infants' expectations about resource distribution.

Cooperative and competitive interactions modulate expectations about resource distribution in 13-month-old infants

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Randomized trial examines how infants' resource sharing expectations vary with cooperative and competitive scenarios.

This research investigates how cooperative and competitive interactions affect 13-month-old infants' expectations about resource distribution.
192 thirteen-month-old infants were presented with predator-prey chasing events with varying interaction types.
Infants were tested using a violation-of-expectation looking-time paradigm to measure their expectations about resource distribution.
The stimuli included both cooperative and competitive interactions to analyze looking time based on resource sharing patterns.
After cooperative interactions, infants looked longer when one agent monopolized the prey compared to sharing it.
In competitive interactions, infants looked longer when the prey was shared rather than monopolized by one agent.
These findings indicate that infants form expectations about resource distribution based on observed social interactions.

Vizmathy et al. (2026) studied this question.

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