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Child Temperamental Negative Affectivity Moderates the Relation between Interparental Conflict and Child Cortisol
Phuong Nguyen1, Alice C Schermerhorn1
1Department of Psychological Science, University of Vermont.
Social Development (Oxford, England)
|February 10, 2025
Summary
Children with high negative affectivity show reduced cortisol recovery after witnessing parental conflict. This highlights how temperament influences stress response to family dynamics.
Area of Science:
- Child psychology
- Stress physiology
- Family studies
Background:
- Interparental conflict is a significant environmental stressor for children.
- Cortisol recovery is a key indicator of physiological stress response.
- Child temperament, particularly negative affectivity, may influence how children react to family stress.
Purpose of the Study:
- To investigate the relationship between interparental conflict and cortisol recovery in children.
- To examine child temperamental negative affectivity as a moderator of this relationship.
- To understand individual differences in stress recovery following exposure to parental discord.
Main Methods:
- 118 children (ages 9-11) observed a laboratory-based parental argument.
- Saliva samples were collected for cortisol level assessment.
- Children reported on interparental conflict; mothers reported child's negative affectivity.
Main Results:
- High negative affectivity in children was associated with poorer cortisol recovery when interparental conflict was high.
- Children with high negative affectivity showed less recovery under high conflict but greater recovery under low conflict (differential susceptibility).
- Children with low negative affectivity demonstrated increased cortisol recovery as parental conflict levels rose.
Conclusions:
- Child temperament significantly moderates the physiological stress response to interparental conflict.
- Negative affectivity plays a role in differential susceptibility to the effects of family conflict.
- Understanding these interactions is crucial for addressing variability in children's stress recovery.
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